In this exercise, we need to complete the sentence and conjugate the verbs formatted in the preterite tense.
The sentence reads:
*”the insects/die/at the beginning of winter”*

To complete the sentence we need to conjugate the verb *morir* (die) to the correct preterite tense form.
Since the subject is *los insectos* (the insects), we will use the third-person plural form of *morir*, which is “murieron”.

Note that the verb *morir* (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.

Los insectos murieron al principio del invierno.

In this exercise, we need to complete the sentence and conjugate the verbs formatted in the preterite tense.
The sentence reads:
*”Ángel y Estela/dress/elegant clothes/to go out last night”*

To complete the sentence we need to conjugate the verb *vestirse* (dress) to the correct preterite tense form.
Since the subject is *Ángel y Estela*, we will use the third-person plural form of *vestirse*, which is “se vistieron”.

Note that the verb *vestirse* (dress) 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.

Ángel y Estela se vistieron de ropa elegante para salir anoche.

In this exercise, we need to complete the sentence and conjugate the verbs formatted in the preterite tense.
The sentence reads:
*”the waiter / suggest / the soup of the day”*

To complete the sentence we need to conjugate the verb *sugerir* (suggest) to the correct preterite tense form.
Since the subject is *el camarero* (the waiter), we will use the third-person singular form of *sugerir*, which is “sugirió”.

Note that the verb *sugerir* (suggest) 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.

El camarero sugirió la sopa del día.

In this exercise, we need to complete the sentence and conjugate the verbs formatted in the preterite tense.
The sentence reads:
*”we / sleep / for three weeks in the sleeping bag”*

To complete the sentence we need to conjugate the verb *dormir* (sleep) to the correct preterite tense form.
Since the subject is *nosotros* (we), we will use the first-person plural form of *dormir*, which is “dormimos”.

Note that the verb *dormir* (sleep) 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.

Nosotros dormimos por tres semanas en el saco de dormir.

In this exercise, we need to complete the sentence and conjugate the verbs formatted in the preterite tense.
The sentence reads:
*”I / feeling sad / after watching the movie”*

To complete the sentence we need to conjugate the verb *sentirse* (feel) to the correct preterite tense form.
Since the subject is *yo* (I), we will use the first-person singular form of *sentirse*, which is “me sentí”.

Note that the verb *sentirse* (feel) 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.

Yo me sentí triste después de ver la película.