IN ENGLISH: In the preterite tense, verbs that end in -CAR, -GAR, -ZAR must make a change in the of the stem before adding This change is only done in the form.

Verbs that end in -ZAR must change the to a before adding the ending of

Verbs that end in -CAR must change the to a before adding the ending of

Verbs that end in -GAR must change the to a before adding the ending of