Stem Changing
Ser and Estar
Direct object pronouns
stem changing
infinitive
100

I want

what is quiero

100

am

what is soy

100

Me 

what is me

100

yo

what is i serve/ sirvo

100

Puedo

what is i can, am, able to

200

you want

what s quieres

200

are

what is son

200

Te

what is You (familiar)

200

tu

what is you serve/ sirves

200

puedes

what is you can, are able to
300

he wants

what is quiere

300

is

what is es

300

nos

what is us

300

El/ella/usted

what is he/she/you serve or sirve

300

puede

what is (he/she/you can, is (are) able to)

400

he and i want

what is queremos

400

Are (possessive)

what is son

400

os

what is you

400

nosotros

what is we serve/ servimos

400

podemos

what is we can, are able to

500

she and you want

what is quereis

500

is (date)

what is es

500

las

what is you/them (formal)

500

vosotros

what is you serve/ servis

500

pueden

what is (they/you can, are able to

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