Verbs: Saber/Conocer and Pedir/Preguntar

SABER/CONOCER and PEDIR/PREGUNTAR

Saber	Conocer	Pedir	Preguntar
To Know		To Ask
-          Fact	-          Familiarity	-          Request	-          Factual question
express knowledge of facts.  (To know something.)	express familiarity or acquaintance.  (To know someone or to be familiar with a place.)	make a request.  (To ask for something.)	Ask a factual question (ask a question)

Examples

Tú sabes español	You know Spanish	Saber – Factual knowledge
Tú conoces a Hillary.	You know Hilary	Conocer – You are acquainted with her
Ella pide ayuda	She asks for help	Pider – Request
Ella pregunta qué hora es.	She asks what time it is	Preguntar – Factual question

Note:  Pedir can be translated as “to ask for.”  However, it is a transitive verb and does not require the use of the preposition por.  That is why the sentence above is "Ella pide ayuda," NOT "Ella pide por ayuda."

Verb Conjugations

saber (irregular in the yo* form)
I	yo	sé  *	we	nosotros	sabemos
you	tú	sabes		vosotros	sabéis
he/she	él/ella/ud	sabe	they	ellos/uds	saben

conocer (irregular in the yo* form)
I	yo	conozco	we	nosotros	conocemos
you	tú	conoces		vosotros	conocéis
he/she	él/ella/ud	conoce	they	ellos/uds	conocen

pider (stem changing verb (e-i))
I	yo	pido	we	nosotros	pedimos
you	tú	pides		vosotros	pedís
he/she	él/ella/ud	pide	they	ellos/uds	piden

preguntar  (regular AR verb)
I	yo	pregunto	we	nosotros	preguntamos
you	tú	preguntas		vosotros	preguntáis
he/she	él/ella/ud	pregunta	they	ellos/uds	preguntan