Question

Read these sentences and fill in the gaps with the correct verb form in the past perfect continuous.

Example 0. John __________ his dog all day. He was tired yesterday. (walk)

Answer 0. had been walking.


We in that college for five years. It was difficult. (study)
They for an hour before I went to bed. (sleep)

Answer 1

1. We had been studying in that college for five years. It was difficult.
2. They had been sleeping for an hour before I went to bed.