1. That old man has not been seen for a month
2. Tina's children were taken to the park last Sunday morning by Tina
3. A new house is going to be built in the city centre by his father
4. John's work hasn't been finished yet
5. He had his bike repaired yesterday
6. Daniel is said to be a famous doctor
7. Mary is thought to have gone away
8. If I had known you had to get up early, I would have woke you up (Câu Đk loại 3 vì diễn tả sự việc không có thật ở quá khứ)
9. If he hadn't died so young, he could have been a famous musician (Câu Đk loại 3 vì diễn tả sự việc không có thật ở quá khứ)
10. If you didn't drive so fast, you wouldn't have an accident (Câu Đk loại 2 vì diễn tả sự việc không có thật ở hiện tại)