Past Simple или Past Perfect
1. When I (to call) at his house, they told me that he (to leave) an hour ago.

2. On checking up his answers he found that he (to do) five examples wrong.

3. The message (to arrive) five minutes after he (to leave) the house.

4. The rain (to stop) but there (to be) still a slight drizzle in the air.

5. I (to leave) home at nine o’clock, but I (not to go) far when I remembered that I (to forget) to lock my door.

6. The moon not (to rise) yet and only two stars (to shine) in the dark blue sky.

7. I (to be surprised) what progress she (to make) since our last meeting.

8. I not yet (to fall asleep) when I (to hear) the sound of the bell.

9. He (to learn) French before he (to enter) the University.

10. Suddenly he (to remember) that he (not to ring) her up in the morning.