1. Not until the office phone me did I find out about the meeting

`-` Đảo ngữ với Not until : Not until + câu đơn + TĐT + S + V(tùy thì)

2. Had I realized what would happen , I wouldn't have accepted the job

`-` Đảo ngữ với điều kiện loại 3 : Had + S + V3 ,  S + would/could/should + have + V3

3. They might not have noticed the tyre was flat.

`-` S + might + have + V3 : Ai đó có thể đã làm gì

4. John is being made to sit his exams again by his school

`-` Câu bị động HTTD : S + am/is/are + being + V3 + (by + O)