Conjugate in the imperfect: Y'all went

Conjugate in the imperfect: You used to contrinute

Conjugated in the preterite: I arrived

In the following sentence that indicates interruption, which of the CAPITALIZED verbs would be conjugated in the imperfect? My mom WAS DOING laundry when my brother ARRIVED home.

Would the following sentence use the preterite or the imperfect for the CAPITALIZED verb? I ATE eggs for breakfast today.

Conjugate in the imperfect: We used to work

Conjugate in the imperfect: She saw

This past tense is used to refer to the beginning or end of an action in the past. Ex: At 7:00 today, Maria STARTED working.

Would the CAPITALIZED verb be preterite or imperfect? The dogs USED TO SLEEP in my bed, but now they sleep in their own beds.

Which verb would be preterite? Lucy WAS TALKING to Mirta when her boyfriend CALLED.

Cierto/Falso: The CAPITALIZED verb would be imperfect in this sentence. Analisa WAS sad.

Conjugate in the preterite: They ordered