Chia động từ trong ngoặc ở thì quá khứ đơn hoặc quá khứ hoàn thành:
1. My father (tell) me he (give) up smoking
2. He (be) late because he (have) an accident
3. I (come) to tell him they were the wrong seeds, but he (plant) them already
4. It had been raining in the night, the ground (be) wet
5. Mr John (be) in England for four years when the new government (come) to power
6. A man who (be attacked) by bandits was lying bleeding on the road
7. I now (have) to leave the house where I (spend) so many happy days
8. Although he (make) some mistakes, he (be considered) good enough for promotion
9. He (want) to find out whether you arrive
10. He (be treated) like a slave, so he (resign)