Números 10-99
Pronouns use
Changes on the stem
Verb knowledge
Conjugate
10

99

Noventa y nueve

10

The stem changes with this pronouns

yo, tú, él/ella, ellas/ellos

10

pedir

pid

10

REGULAR -AR ENDINGS

O, AS, A, AMOS, AN

10

You have

Tú tienes

20

15

quince

20

Pronouns always start a sentence

Most of the time

20

decir

dic

20

REGULAR -ER ENDINGS

O, ES, E, EMOS, ÉIS, EN

20

I prefer

Yo prefiero

30

27

veintisiete

30

With this pronouns the stem does not change

nosotros, vosotros

30

querer

quier

30

REGULAR -IR ENDINGS

O, ES, E, IMOS, ÍS, EN

30

They say

Ellos/as dicen

40

35

treinta y cinco

40

What does the pronoun substitute?

The noun/proper name

40

poder

pued

40

What's a regular verb?

A verb that follows a predictable pattern in all forms

40

She thinks

Ella piensa

50

33

treinta y tres

50

Are pronouns always used in a sentence?

No

50

preferir

prefier

50

What's a Stem-Changing Verb "SCV"?

A verb that changes on the stem when conjugated in some forms

50

He asks for 

Él pide