Answer:
The correct form of the verbs to indicate that it was in progress at a time in the past is:
- Ellos estaban esperando en la fila.
Step-by-step explanation:
The translation of the sentence is:
- They were waiting in line.
The time that mentions the actions that are carried out at a certain moment is the progressive time or continuous time, which is characterized by two things:
1. The use of the verb "estar" in the respectively tense:
- Present: estoy, estás, está, estamos, están.
- Past: estaba, estabas, estábamos, estaban.
2. The conjugate verb ends in "ando" or "endo."
Below are the different conjugations of the verb "estar" in Past Tense depending on the personal pronoun:
- Yo estaba.
- Tú estabas.
- Usted estaba.
- Él estaba.
- Ella estaba.
- Ello estaba.
- Nosotros/Nosotras estábamos.
- Ustedes estaban.
- Ellos/Ellas estaban.