Guidelines for stem changing
What is the stem change?
O-Ue U-Ue
E-Ie
E-I
100

What is a stem changing verb?

A verb that changes in the stem.

100

What is the stem change in Pensar?

E-Ie

100

How do you conjugate Jugar with Yo?

Juego

100

How do you conjugate  encontrar with usted?

encuentra

100

How do you conjugate Servir with tú?

Sirves

200

What do you change the O to in dormir?

You change O to Ue.

200

What is the stem change in Pedir?

E-I

200

How do you conjugate Dormir in the 2nd person singular?

Duermes

200

How do you conjugate Pensar with Ellas?

Piensan

200

How do you conjugate Servir with nosotros?

Servimos

300

What do you change the E to in pensar?

You change E to Ie.

300

What is the stem change in Jugar?

U-Ue

300

How do you conjugate Costar with ella?

Cuesta

300

How do you conjugate Pensar with yo? 

Pienso

300

How do you conjugate pedir with tu?

pides

400

What do you change the U to in jugar?

You change U to UE?

400

What is the stem change in sentar?

E-Ie

400

How do you conjugate Volver in the 1st person plural?

Volvemos

400

How do you conjugate sentir with the 1st person plural?

sentimos

400

How do you conjugate Pedir with the 1st person plural?

Pedimos

500

What do you do when you conjugate with Nosotros?

You leave the stem the same.

500

What is the stem change in Volver?

O-Ue

500

How do you conjugate Almorzar with the 3rd person plural?

Almuerzan

500

How do you conjugate gobernar with tú?

gobiernas

500

How do you conjugate Pedir with 3rd person plural?

Piden