Задание 3. Используйте глагол в скобках в форме Present Perfect, Past Perfect or Future Perfect.

1. I (work) for big companies like this before. I know how they operate.
2. They (live) in New York for 3 years before they (move) to Seattle three months ago.
3. Debi (study) for four hours when her father arrives.
4. By this time next year I (finish) the course and I (start) to speak perfect English.
5. Sam (drive) for six hours when he arrived in the village. He (drive) more than 300
miles.
6. They (work) for two hours by the time the manager arrives at six today.
7. By the time you received this letter yesterday, Dina (leave) for Algeria.
8. When we meet again next week, I (practice) tennis for at least a month.
9. She (recover) from her surgery by the time we visit her next Saturday.