Past Simple , Past Perfect , Past Perfect Continuous They (to drive) for two hours before they finally (to reach) their destination.
2. Emily (to write) five letters by lunchtime.
3. The doctor (to tell) John to stay in bed until he (fully/ to recover).
4. He (to iron) all morning when his wife arrived.
5. Peter (already/to learn) to read and write before he (to start) school.
6. The baby (to cry) for half an hour before it finally (to fall) asleep.
7. The children (to wait) for an hour when the school bus (to arrive).
8. The burglar (to get away) by the time the police (to arrive).
9. She (to dig) in the garden for three hours when she (to stop) for a break.
10. By the time he (to be) eighteen he (to become) a professional athlete.
11. How long (they/to dance) in competitions when they (to retire)?
12. By the time we (to join) them, they (to order) their meal.
13. Nick (to be) tired as he (to fix) the computer system since eight o’clock that morning.

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