Past perfect tense

By the time the teacher entered the classroom, the students ___ their homework.

• have completed

• completed

• had completed

• are completing

Which sentence uses the past perfect tense correctly?

• They have finished the project before the deadline.

• They had finished the project before the deadline.

• They finished the project before the deadline.

• They were finishing the project before the deadline.

When I arrived at the station, the train ___ already left.

• had

• has

• was

• is

I ___ (not eat) breakfast because I had overslept.

• didn't eat

• hadn't eaten

• wasn't eating

• don't eat

Before she moved to Paris, she ___ in London for ten years.

• had lived

• lived

• was living

• lives

Which of the following sentences is correct?

• After they had left, we locked the door.

• After they leave, we had locked the door.

• After they had left, we were locking the door.

• After they left, we had lock the door.

Why were you tired yesterday?

• I had studied all night.

• I study all night.

• I was studying all night.

• I have studied all night.

Which happened first?

• "They had eaten dinner before I arrived."

• Eating dinner

• Arriving

• Cooking dinner

• Leaving

Before the rain started, they ___ all the laundry from the line.

• had brought

• brought

• were bringing

• have brought

By the time we reached the cinema, the movie ___ .

• had started

• has started

• was starting

• starts