Saber vs. Conocer in Spanish: Two Ways to Know and When to Use Each

English has one verb for knowing: "to know." Spanish has two: saber and conocer. Both translate as "to know" in English, and both are high-frequency verbs that appear constantly in everyday conversation. But they cover completely different types of knowing, and using one where the other is required produces a sentence that sounds wrong to a native speaker even when every other word is correct.

The good news is that the distinction between saber and conocer is logical and consistent. Once you understand what each verb covers, you can apply the rule to every new situation you encounter without second-guessing yourself. This guide covers both verbs completely: the full conjugation across every tense with English translations, the core distinction, every major use of each verb, the contexts where learners most commonly confuse them, and real workplace examples throughout.

The Core Distinction

The difference between saber and conocer comes down to what kind of knowing is involved.

Saber is used for knowing facts, information, and learned skills. It covers things that can be stated, listed, or demonstrated.

Conocer is used for knowing people, places, and things in the sense of being acquainted or familiar with them. It covers experiential knowledge, the kind that comes from having met someone, visited somewhere, or encountered something directly.

The simplest test: if "know" could be replaced by "know how to" or "know that," use saber. If "know" could be replaced by "be familiar with" or "have met / visited," use conocer.

• I know the answer. → Sé la respuesta. (I know a fact)

• I know the doctor. → Conozco al médico. (I am acquainted with this person)

• I know how to weld. → Sé soldar. (I have the skill)

• I know this neighborhood. → Conozco este barrio. (I am familiar with this place)

Complete Conjugation Reference for Saber

Saber is irregular only in the first person singular of the present tense (yo sé) and in the preterite, future, and conditional. All other present tense forms are regular.

Present Indicative

• Yo → sé (I know)

• Tú → sabes (you know, informal)

• Él / Ella / Usted → sabe (he knows / she knows / you know, formal)

• Nosotros → sabemos (we know)

• Vosotros → sabéis (you all know, Spain)

• Ellos / Ellas / Ustedes → saben (they know / you all know)

  
  

Preterite

• Yo → supe (I found out / I learned)

• Tú → supiste (you found out / you learned, informal)

• Él / Ella / Usted → supo (he found out / she found out / you found out, formal)

• Nosotros → supimos (we found out / we learned)

• Vosotros → supisteis (you all found out, Spain)

• Ellos / Ellas / Ustedes → supieron (they found out / you all found out)

  
  

Imperfect

• Yo → sabía (I knew / I used to know)

• Tú → sabías (you knew / you used to know, informal)

• Él / Ella / Usted → sabía (he knew / she knew / you knew, formal)

• Nosotros → sabíamos (we knew / we used to know)

• Vosotros → sabíais (you all knew, Spain)

• Ellos / Ellas / Ustedes → sabían (they knew / you all knew)

  
  

Future

• Yo → sabré (I will know)

• Tú → sabrás (you will know, informal)

• Él / Ella / Usted → sabrá (he will know / she will know / you will know, formal)

• Nosotros → sabremos (we will know)

• Vosotros → sabréis (you all will know, Spain)

• Ellos / Ellas / Ustedes → sabrán (they will know / you all will know)

  
  

Conditional

• Yo → sabría (I would know)

• Tú → sabrías (you would know, informal)

• Él / Ella / Usted → sabría (he would know / she would know / you would know, formal)

• Nosotros → sabríamos (we would know)

• Vosotros → sabríais (you all would know, Spain)

• Ellos / Ellas / Ustedes → sabrían (they would know / you all would know)

  
  

Present Subjunctive

• Yo → sepa (that I know)

• Tú → sepas (that you know, informal)

• Él / Ella / Usted → sepa (that he / she / you know)

• Nosotros → sepamos (that we know)

• Vosotros → sepáis (that you all know, Spain)

• Ellos / Ellas / Ustedes → sepan (that they / you all know)

  
  

Imperfect Subjunctive (most common form)

• Yo → supiera (that I knew / if I knew)

• Tú → supieras (that you knew / if you knew, informal)

• Él / Ella / Usted → supiera (that he / she / you knew)

• Nosotros → supiéramos (that we knew / if we knew)

• Vosotros → supierais (that you all knew, Spain)

• Ellos / Ellas / Ustedes → supieran (that they / you all knew)

  
  

Imperfect Subjunctive (alternative form)

• Yo → supiese (that I knew / if I knew)

• Tú → supieses (that you knew, informal)

• Él / Ella / Usted → supiese (that he / she / you knew)

• Nosotros → supiésemos (that we knew)

• Vosotros → supieseis (that you all knew, Spain)

• Ellos / Ellas / Ustedes → supiesen (that they / you all knew)

  
  

Future Subjunctive (rare, appears in legal and literary texts)

• Yo → supiere (should I know)

• Tú → supieres (should you know, informal)

• Él / Ella / Usted → supiere (should he / she / you know)

• Nosotros → supiéremos (should we know)

• Vosotros → supiereis (should you all know, Spain)

• Ellos / Ellas / Ustedes → supieren (should they / you all know)

  
  

Present Perfect

• Yo → he sabido (I have known / I have found out)

• Tú → has sabido (you have known, informal)

• Él / Ella / Usted → ha sabido (he / she / you have known, formal)

• Nosotros → hemos sabido (we have known)

• Vosotros → habéis sabido (you all have known, Spain)

• Ellos / Ellas / Ustedes → han sabido (they / you all have known)

  
  

Past Perfect (Pluperfect)

• Yo → había sabido (I had known / I had found out)

• Tú → habías sabido (you had known, informal)

• Él / Ella / Usted → había sabido (he / she / you had known, formal)

• Nosotros → habíamos sabido (we had known)

• Vosotros → habíais sabido (you all had known, Spain)

• Ellos / Ellas / Ustedes → habían sabido (they / you all had known)

  
  

Future Perfect

• Yo → habré sabido (I will have known)

• Tú → habrás sabido (you will have known, informal)

• Él / Ella / Usted → habrá sabido (he / she / you will have known, formal)

• Nosotros → habremos sabido (we will have known)

• Vosotros → habréis sabido (you all will have known, Spain)

• Ellos / Ellas / Ustedes → habrán sabido (they / you all will have known)

  
  

Conditional Perfect

• Yo → habría sabido (I would have known)

• Tú → habrías sabido (you would have known, informal)

• Él / Ella / Usted → habría sabido (he / she / you would have known, formal)

• Nosotros → habríamos sabido (we would have known)

• Vosotros → habríais sabido (you all would have known, Spain)

• Ellos / Ellas / Ustedes → habrían sabido (they / you all would have known)

  
  

Present Perfect Subjunctive

• Yo → haya sabido (that I have known)

• Tú → hayas sabido (that you have known, informal)

• Él / Ella / Usted → haya sabido (that he / she / you have known)

• Nosotros → hayamos sabido (that we have known)

• Vosotros → hayáis sabido (that you all have known, Spain)

• Ellos / Ellas / Ustedes → hayan sabido (that they / you all have known)

  
  

Past Perfect Subjunctive (most common form)

• Yo → hubiera sabido (that I had known / if I had known)

• Tú → hubieras sabido (that you had known, informal)

• Él / Ella / Usted → hubiera sabido (that he / she / you had known)

• Nosotros → hubiéramos sabido (that we had known)

• Vosotros → hubierais sabido (that you all had known, Spain)

• Ellos / Ellas / Ustedes → hubieran sabido (that they / you all had known)

  
  

Past Perfect Subjunctive (alternative form)

• Yo → hubiese sabido (that I had known / if I had known)

• Tú → hubieses sabido (that you had known, informal)

• Él / Ella / Usted → hubiese sabido (that he / she / you had known)

• Nosotros → hubiésemos sabido (that we had known)

• Vosotros → hubieseis sabido (that you all had known, Spain)

• Ellos / Ellas / Ustedes → hubiesen sabido (that they / you all had known)

  
  

Commands (Imperative)

• Tú (affirmative) → sabe (know, informal)

• Tú (negative) → no sepas (do not know, informal)

• Usted (affirmative) → sepa (know, formal)

• Usted (negative) → no sepa (do not know, formal)

• Nosotros (affirmative) → sepamos (let us know)

• Nosotros (negative) → no sepamos (let us not know)

• Vosotros (affirmative) → sabed (know, Spain)

• Vosotros (negative) → no sepáis (do not know, Spain)

• Ustedes (affirmative) → sepan (know, formal plural)

• Ustedes (negative) → no sepan (do not know, formal plural)

  
  

Gerund: sabiendo (knowing) Past Participle: sabido (known)

Complete Conjugation Reference for Conocer

Conocer is irregular only in the first person singular of the present tense (yo conozco). All other present tense forms are regular. The preterite, imperfect, future, and conditional follow regular patterns.

Present Indicative

• Yo → conozco (I know / I am acquainted with)

• Tú → conoces (you know / you are acquainted with, informal)

• Él / Ella / Usted → conoce (he knows / she knows / you know, formal)

• Nosotros → conocemos (we know / we are acquainted with)

• Vosotros → conocéis (you all know, Spain)

• Ellos / Ellas / Ustedes → conocen (they know / you all know)

  
  

Preterite

• Yo → conocí (I met / I got to know)

• Tú → conociste (you met / you got to know, informal)

• Él / Ella / Usted → conoció (he met / she met / you met, formal)

• Nosotros → conocimos (we met / we got to know)

• Vosotros → conocisteis (you all met, Spain)

• Ellos / Ellas / Ustedes → conocieron (they met / you all met)

  
  

Imperfect

• Yo → conocía (I knew / I was acquainted with / I used to know)

• Tú → conocías (you knew / you used to know, informal)

• Él / Ella / Usted → conocía (he knew / she knew / you knew, formal)

• Nosotros → conocíamos (we knew / we used to know)

• Vosotros → conocíais (you all knew, Spain)

• Ellos / Ellas / Ustedes → conocían (they knew / you all knew)

  
  

Future

• Yo → conoceré (I will know / I will meet)

• Tú → conocerás (you will know / you will meet, informal)

• Él / Ella / Usted → conocerá (he will know / she will know / you will know, formal)

• Nosotros → conoceremos (we will know / we will meet)

• Vosotros → conoceréis (you all will know, Spain)

• Ellos / Ellas / Ustedes → conocerán (they will know / you all will know)

  
  

Conditional

• Yo → conocería (I would know / I would meet)

• Tú → conocerías (you would know / you would meet, informal)

• Él / Ella / Usted → conocería (he would know / she would know / you would know, formal)

• Nosotros → conoceríamos (we would know / we would meet)

• Vosotros → conoceríais (you all would know, Spain)

• Ellos / Ellas / Ustedes → conocerían (they would know / you all would know)

  
  

Present Subjunctive

• Yo → conozca (that I know / that I meet)

• Tú → conozcas (that you know / that you meet, informal)

• Él / Ella / Usted → conozca (that he / she / you know)

• Nosotros → conozcamos (that we know / that we meet)

• Vosotros → conozcáis (that you all know, Spain)

• Ellos / Ellas / Ustedes → conozcan (that they / you all know)

  
  

Imperfect Subjunctive (most common form)

• Yo → conociera (that I knew / if I knew)

• Tú → conocieras (that you knew / if you knew, informal)

• Él / Ella / Usted → conociera (that he / she / you knew)

• Nosotros → conociéramos (that we knew / if we knew)

• Vosotros → conocierais (that you all knew, Spain)

• Ellos / Ellas / Ustedes → conocieran (that they / you all knew)

  
  

Imperfect Subjunctive (alternative form)

• Yo → conociese (that I knew / if I knew)

• Tú → conocieses (that you knew, informal)

• Él / Ella / Usted → conociese (that he / she / you knew)

• Nosotros → conociésemos (that we knew)

• Vosotros → conocieseis (that you all knew, Spain)

• Ellos / Ellas / Ustedes → conociesen (that they / you all knew)

  
  

Future Subjunctive (rare, appears in legal and literary texts)

• Yo → conociere (should I know)

• Tú → conocieres (should you know, informal)

• Él / Ella / Usted → conociere (should he / she / you know)

• Nosotros → conociéremos (should we know)

• Vosotros → conociereis (should you all know, Spain)

• Ellos / Ellas / Ustedes → conocieren (should they / you all know)

  
  

Present Perfect

• Yo → he conocido (I have known / I have met)

• Tú → has conocido (you have known / you have met, informal)

• Él / Ella / Usted → ha conocido (he / she / you have known, formal)

• Nosotros → hemos conocido (we have known / we have met)

• Vosotros → habéis conocido (you all have known, Spain)

• Ellos / Ellas / Ustedes → han conocido (they / you all have known)

  
  

Past Perfect (Pluperfect)

• Yo → había conocido (I had known / I had met)

• Tú → habías conocido (you had known / you had met, informal)

• Él / Ella / Usted → había conocido (he / she / you had known, formal)

• Nosotros → habíamos conocido (we had known / we had met)

• Vosotros → habíais conocido (you all had known, Spain)

• Ellos / Ellas / Ustedes → habían conocido (they / you all had known)

  
  

Future Perfect

• Yo → habré conocido (I will have known / I will have met)

• Tú → habrás conocido (you will have known, informal)

• Él / Ella / Usted → habrá conocido (he / she / you will have known, formal)

• Nosotros → habremos conocido (we will have known)

• Vosotros → habréis conocido (you all will have known, Spain)

• Ellos / Ellas / Ustedes → habrán conocido (they / you all will have known)

  
  

Conditional Perfect

• Yo → habría conocido (I would have known / I would have met)

• Tú → habrías conocido (you would have known, informal)

• Él / Ella / Usted → habría conocido (he / she / you would have known, formal)

• Nosotros → habríamos conocido (we would have known)

• Vosotros → habríais conocido (you all would have known, Spain)

• Ellos / Ellas / Ustedes → habrían conocido (they / you all would have known)

  
  

Present Perfect Subjunctive

• Yo → haya conocido (that I have known / that I have met)

• Tú → hayas conocido (that you have known, informal)

• Él / Ella / Usted → haya conocido (that he / she / you have known)

• Nosotros → hayamos conocido (that we have known)

• Vosotros → hayáis conocido (that you all have known, Spain)

• Ellos / Ellas / Ustedes → hayan conocido (that they / you all have known)

  
  

Past Perfect Subjunctive (most common form)

• Yo → hubiera conocido (that I had known / if I had known)

• Tú → hubieras conocido (that you had known, informal)

• Él / Ella / Usted → hubiera conocido (that he / she / you had known)

• Nosotros → hubiéramos conocido (that we had known)

• Vosotros → hubierais conocido (that you all had known, Spain)

• Ellos / Ellas / Ustedes → hubieran conocido (that they / you all had known)

  
  

Past Perfect Subjunctive (alternative form)

• Yo → hubiese conocido (that I had known / if I had known)

• Tú → hubieses conocido (that you had known, informal)

• Él / Ella / Usted → hubiese conocido (that he / she / you had known)

• Nosotros → hubiésemos conocido (that we had known)

• Vosotros → hubieseis conocido (that you all had known, Spain)

• Ellos / Ellas / Ustedes → hubiesen conocido (that they / you all had known)

  
  

Commands (Imperative)

• Tú (affirmative) → conoce (know / meet, informal)

• Tú (negative) → no conozcas (do not know / do not meet, informal)

• Usted (affirmative) → conozca (know / meet, formal)

• Usted (negative) → no conozca (do not know / do not meet, formal)

• Nosotros (affirmative) → conozcamos (let us know / let us meet)

• Nosotros (negative) → no conozcamos (let us not know)

• Vosotros (affirmative) → conoced (know / meet, Spain)

• Vosotros (negative) → no conozcáis (do not know, Spain)

• Ustedes (affirmative) → conozcan (know / meet, formal plural)

• Ustedes (negative) → no conozcan (do not know, formal plural)

  
  

Gerund: conociendo (knowing / meeting) Past Participle: conocido (known / met)

The Uses of Saber in Detail

Saber for facts and information:

Saber is used when you know a piece of information, a fact, or the answer to something. The knowledge can be stated in words.

• I know the answer. → Sé la respuesta.

• Do you know what time it is? → ¿Sabe qué hora es?

• She knows the address. → Sabe la dirección.

• We know the results. → Sabemos los resultados.

• I do not know. → No sé.

• He knows the policy. → Sabe la política.

• Do you know why she was absent? → ¿Sabe por qué estuvo ausente?

• Nobody knows what happened. → Nadie sabe lo que pasó.

Saber + infinitive for skills:

When saber is followed directly by an infinitive, it expresses knowing how to do something, a learned skill or ability.

• I know how to weld. → Sé soldar.

• She knows how to speak Spanish. → Sabe hablar español.

• He knows how to operate the equipment. → Sabe operar el equipo.

• Do you know how to drive a forklift? → ¿Sabe manejar un montacargas?

• They know how to perform the procedure. → Saben realizar el procedimiento.

• She does not know how to swim. → No sabe nadar.

• I know how to read and write in two languages. → Sé leer y escribir en dos idiomas.

Saber + que (knowing that):

Saber que is used to express knowing a fact, followed by a statement of what is known.

• I know that she works here. → Sé que trabaja aquí.

• He knows that the meeting is tomorrow. → Sabe que la reunión es mañana.

• We know that you are trying your best. → Sabemos que está haciendo su mejor esfuerzo.

• She knows that the results are positive. → Sabe que los resultados son positivos.

• Do you know that there is a policy change? → ¿Sabe que hay un cambio de política?

Saber in the preterite — found out:

The preterite of saber changes meaning significantly. While the imperfect sabía means "I knew" (ongoing knowledge), the preterite supe means "I found out" (the moment of learning something).

• I found out yesterday. → Lo supe ayer.

• She found out about the policy change. → Supo del cambio de política.

• When did you find out? → ¿Cuándo supiste?

• We found out this morning. → Lo supimos esta mañana.

• He found out from the supervisor. → Lo supo por el supervisor.

  
  

In workplace contexts:

Healthcare:

• Do you know your blood type? → ¿Sabe su tipo de sangre?

• Does she know how to use the equipment? → ¿Sabe usar el equipo?

• Do you know how to read the monitor? → ¿Sabe leer el monitor?

• I know that the patient is allergic to penicillin. → Sé que el paciente es alérgico a la penicilina.

• She found out about the diagnosis yesterday. → Supo del diagnóstico ayer.

• Do you know what medications he is taking? → ¿Sabe qué medicamentos está tomando?

Construction:

• Do you know how to operate this machine? → ¿Sabe operar esta máquina?

• He knows how to read blueprints. → Sabe leer los planos.

• Do you know the safety protocol? → ¿Sabe el protocolo de seguridad?

• I know that the inspection is tomorrow. → Sé que la inspección es mañana.

• She found out about the schedule change. → Supo del cambio de horario.

Education:

• Do you know the answer? → ¿Sabes la respuesta?

• She knows how to read in Spanish. → Sabe leer en español.

• Do you know how to use the computer? → ¿Sabes usar la computadora?

• I know that the student has been absent a lot. → Sé que el estudiante ha faltado mucho.

• He found out about the policy from HR. → Supo de la política por recursos humanos.

Management:

• Do you know the new procedure? → ¿Sabe el nuevo procedimiento?

• She knows how to manage the system. → Sabe manejar el sistema.

• I know that there is a problem. → Sé que hay un problema.

• He found out about the change this morning. → Supo del cambio esta mañana.

• Do you know why the project is delayed? → ¿Sabe por qué el proyecto está retrasado?

  
  

The Uses of Conocer in Detail

Conocer for people:

Conocer is used to express knowing a person in the sense of being acquainted with them, having met them, or having an established relationship with them. When the object is a person, Spanish requires the personal a before the name or noun.

• I know the doctor. → Conozco al médico.

• Do you know the supervisor? → ¿Conoce al supervisor?

• She knows the patient. → Conoce a la paciente.

• We know the new employee. → Conocemos al nuevo empleado.

• He does not know anyone here. → No conoce a nadie aquí.

• Do you know her? → ¿La conoce?

• I have known her for ten years. → La conozco desde hace diez años.

Conocer for places:

Conocer is used to express familiarity with a place, having been there, or knowing it well.

• I know this neighborhood. → Conozco este barrio.

• Do you know the hospital? → ¿Conoce el hospital?

• She knows Mexico City very well. → Conoce muy bien la Ciudad de México.

• He does not know this part of town. → No conoce esta parte de la ciudad.

• Have you ever been to Spain? → ¿Conoce España?

• I know this building well. → Conozco bien este edificio.

Conocer for things — being familiar with:

Conocer can also be used for things when the meaning is "to be familiar with" rather than "to know a fact about."

• Do you know this system? → ¿Conoce este sistema?

• She knows the software well. → Conoce bien el software.

• He knows the procedure. → Conoce el procedimiento. (he is familiar with it)

• I know this equipment. → Conozco este equipo. (I have worked with it before)

• Do you know this type of case? → ¿Conoce este tipo de caso?

  
  

Note the distinction: Sabe el procedimiento means "he knows the procedure" in the sense of knowing the facts and steps. Conoce el procedimiento means "he is familiar with the procedure" in the sense of having encountered it before. Both can be correct depending on the specific meaning intended.

Conocer in the preterite — to meet:

The preterite of conocer changes meaning. While the imperfect conocía means "I knew" (ongoing familiarity), the preterite conocí means "I met" (the specific moment of meeting someone for the first time).

• I met her at the conference. → La conocí en la conferencia.

• When did you meet the supervisor? → ¿Cuándo conociste al supervisor?

• He met the new employee today. → Conoció al nuevo empleado hoy.

• We met the patient this morning. → Conocimos al paciente esta mañana.

• She met him in the waiting room. → Lo conoció en la sala de espera.

  
  

In workplace contexts:

Healthcare:

• Do you know the attending physician? → ¿Conoce al médico tratante?

• I met the new nurse today. → Conocí a la nueva enfermera hoy.

• She knows this type of case well. → Conoce bien este tipo de caso.

• Do you know the hospital layout? → ¿Conoce el hospital?

• He does not know the specialist yet. → Todavía no conoce al especialista.

Construction:

• Do you know the site supervisor? → ¿Conoce al supervisor del sitio?

• I met the foreman this morning. → Conocí al capataz esta mañana.

• She knows this type of construction well. → Conoce bien este tipo de construcción.

• Do you know this neighborhood? → ¿Conoce este barrio?

• He knows the client from a previous project. → Conoce al cliente de un proyecto anterior.

Education:

• Do you know the principal? → ¿Conoces a la directora?

• I met the student's parents today. → Conocí a los padres del estudiante hoy.

• She knows this school well. → Conoce bien esta escuela.

• Have you met the new teacher? → ¿Conoces al nuevo maestro?

• He knows the curriculum. → Conoce el currículo. (he is familiar with it)

Management:

• Do you know the CEO? → ¿Conoce al director ejecutivo?

• I met the new hire at orientation. → Conocí al nuevo empleado en la orientación.

• She knows the company's history well. → Conoce bien la historia de la empresa.

• Do you know the client? → ¿Conoce al cliente?

• He knows this industry inside and out. → Conoce esta industria por dentro y por fuera.

  
  

Side-by-Side Comparison: Saber vs. Conocer

Here is the same scenario with both verbs to make the distinction concrete:

Knowing a person:

• I know who the doctor is. → Sé quién es el médico. (saber — I know a fact about the doctor's identity)

• I know the doctor personally. → Conozco al médico. (conocer — I have met this person)

Knowing a place:

• I know where the hospital is. → Sé dónde está el hospital. (saber — I know the location as a fact)

• I know the hospital well. → Conozco bien el hospital. (conocer — I am familiar with it, I have been there)

Knowing a procedure:

• I know how to do the procedure. → Sé hacer el procedimiento. (saber — I have the skill)

• I know this procedure. → Conozco este procedimiento. (conocer — I am familiar with it)

Knowing a system:

• I know how to use the system. → Sé usar el sistema. (saber — learned skill)

• I know this system. → Conozco este sistema. (conocer — I have worked with it)

The Preterite Distinction: Found Out vs. Met

This is one of the most important and most underappreciated distinctions in Spanish grammar.

Saber preterite = found out:

• I knew about the change. → Sabía del cambio. (imperfect — ongoing knowledge)

• I found out about the change. → Supe del cambio. (preterite — moment of learning)

Conocer preterite = met:

• I knew the supervisor. → Conocía al supervisor. (imperfect — ongoing familiarity)

• I met the supervisor. → Conocí al supervisor. (preterite — first meeting)

  
  

In English, "knew" covers both of these meanings. In Spanish, the choice of verb and tense together communicate exactly which type of knowing is meant.

Common Mistakes With Saber and Conocer

Using saber for people. Sé al médico is incorrect. Conozco al médico is correct. People are known in the sense of being acquainted with them, which is conocer territory.

Using conocer for facts. Conozco la respuesta is possible but sounds slightly off in most contexts where the meaning is "I know the answer" as a fact. Sé la respuesta is more natural for factual knowledge.

Forgetting the personal a with conocer. When conocer refers to a person, the personal a is required: Conozco al supervisor, not Conozco el supervisor.

Using saber for the first time meeting someone. Supe a María en la conferencia is incorrect. Conocí a María en la conferencia (I met María at the conference) is correct. First meetings use the preterite of conocer.

Using conocer when saber + infinitive is needed. Conozco conducir is incorrect. Sé conducir (I know how to drive) is correct. Learned skills use saber + infinitive.

Forgetting the yo irregularities. The first person singular present is sé for saber and conozco for conocer. Both are irregular and must be memorized. Sabo and conoco are incorrect.

A Quick Reference: Saber vs. Conocer

Use saber for:

• Facts and information (I know that...)

• Skills and abilities (I know how to...)

• The content of something (I know the answer / the address / the policy)

• Finding out something (preterite: I found out)

Use conocer for:

• People (I know this person / I am acquainted with them)

• Places (I know this city / I have been there / I am familiar with it)

• Things in the sense of being familiar with them

• Meeting someone for the first time (preterite: I met)

  
  

Two Verbs, One Concept, Total Clarity

The distinction between saber and conocer is one of those grammar points that seems complicated at first and then clicks completely. Once it clicks, it does not just help you use the right verb in any given sentence. It gives you insight into how Spanish conceptualizes knowledge itself, as something that exists on a spectrum from abstract factual information to embodied personal familiarity. That conceptual insight is what separates learners who translate from Spanish and learners who actually think in it.

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