why do verbs have a y in the él/ella and ellos/ellas forms? lírhc all these verbs have a vowel...

Why do verbs have a Y in the él/ella and ellos/ellas forms?

l ír h c

All these verbs have a VOWEL immediately before the –ER or –IR ending

Él le

Ellos le

Él oyó

yeron

yó

Ellos oyeron

Él cayó

Ellos cayeron

ere o iru era

Why don’t verbs have a Y in the él/ella and ellos/ellas forms?

co be ab vi

All these verbs have a CONSONANTimmediately before the –ER or –IR ending

Él com

Ellos com

Él bebió

ieron

ió

Ellos bebieron

Él vivió

Ellos vivieron

erm erb irr irv

How do you know if a verb is stem-changing in the preterite?

•Only verbs that stem-change in the present also change in the preterite

•Only –IR verbs stem-change in the preterite

•Verbs only stem-change E->I and O->U

•So if a verb doesn’t have an E or O, then it can’t be stem-changing!

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

aprender

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

construir

aprender

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

pedir

aprenderconstruir

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

dormir

aprenderconstruir pedir

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

poseer

aprenderconstruir pedirdormir

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

decidir

aprenderconstruir pedirdormirposeer

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

recibir

aprenderconstruir pedirdormirposeer decidir

Extra vowel–Y– verb

-IR verb w/ E or OStem-Changing

Everything else

Regular

referir

aprenderconstruir pedirdormirposeer decidir

recibir