In this exercise, we need to fill in the verb with the correct vowel missing.
The sentence reads:
*”Francisco sl___pt the whole day in his sleeping bag.”*

We need to conjugate the verb *dormir* (sleep) to correct preterite tense form. Since the subject is Franciso, we will use the third-person singular form of *dormir*, which is “durmió”.

Note that the verb *dormir* (to sleep) has an **o->ue** stem change in the third-person singular and plural forms. The “-ir” verbs that have a stem change in the present form also have a stem change in the preterite form.

durmió

In this exercise, we need to fill in the verb with the correct vowel missing.
The sentence reads:
*”The restaurant ser___d hamburgers and hot dogs.”*

We need to conjugate the verb *servir* (serve) to correct preterite tense form. Since the subject is *el restaurante* (the restaurant), we will use the third-person singular form of *servir*, which is “sirvió”.

Note that the verb *servir* (serve) has an **e->i** stem change in the third-person singular and plural forms. The “-ir” verbs that have a stem change in the present form also have a stem change in the preterite form.

sirvió

In this exercise, we need to fill in the verb with the correct vowel missing.
The sentence reads:
*”My friends had___a lot of fun on the trip.”*

We need to conjugate the verb *divertirse* (have fun) to correct preterite tense form. Since the subject is *mis amigos* (my friends), we will use the third-person plural form of *divertirse*, which is “se divirtieron”.

Note that the verb *divertirse* (have fun) has an **e->i** stem change in the third-person singular and plural forms. The “-ir” verbs that have a stem change in the present form also have a stem change in the preterite form.

divirtieron

In this exercise, we need to fill in the verb with the correct vowel missing.
The sentence reads:
*”An animal die___ in the forest. How sad!.”*

We need to conjugate the verb *morirse* (die) to correct preterite tense form. Since the subject is *animal* (animal), we will use the third-person singular form of *morirse*, which is “se murió”.

Note that the verb *morirse* (die) has an **o->u** stem change in the third-person singular and plural forms. The “-ir” verbs that have a stem change in the present form also have a stem change in the preterite form.

murió