Verbs, Vocabulary, Grammar & More
Gramática - Lecciones 7-11
Leccion 7
los numeros 21-29 can be written two ways, veintiuno or veinte y uno.
los numeros 31-99 are usually written with three words: treinta y uno.
Saber and conocer both mean to know. Just like ser and estar, they have specific uses.
  • Saber is used when you know a fact.
  • Conocer is used to show you know a person, are meeting a person for the first time or are familiar with a place or body of knowledge.
  • Saber and conocer are irregular in the first person singular.
    yo séyo conozco
  • él sabe que Madrid es el capital de España.
  • él conoce a Madrid.
Ciento is 100, ciento uno (101), ciento treinta y dos (132). It becomes cien before nouns and before numbers mil (1,000) and milones (1,000,000). In all other numbers, ciento is used.
Some verbs are irregular in the 1st person singular of the present tense:
hacer
salir
poner
traer
yo hago
yo salgo
yo pongo
yo traigo
I make or do
I leave or go out
I put or place
I bring
dar
ver
saber
conocer
yo doy
yo veo
yo sé
yo conozco
I give
I see
I know
I know
Some verbs are irregular in the 1st person singular that also have root changes:
oir - to hear
oigo
oyes
oye
oimos
oís
oyen
ir - to go
voy
vas
va
vamos
vaís
van
Some verbs are irregular in the 1st person singular that also are stem changing verbs:
tener (ie) - to have
yo tengo
tú tienes ...
vener (ie) - to come
yo vengo
tú vienes ...
Verbs, Vocabulary, Grammar & More