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1. The robber asked the customer not to move or he would kill them.
2. She asked the young man if he would help them and they couldn't start the car.
3. The girl couldn't do that because she didn't have time.
4. He asked me to send whatever I spare.
5. I asked him to write his mother.
6. The boy invited me to join their club.
7. The kidnappers said that if Mr.John didn't pay the ransom, they would kilthe boy.
The kidnappers threatened to kill the boy if they didn't pay the ransom. 
8. I congratulated her on passing her exam.
9. She said that if she saw my father, she would recognize him at once.
10. Peter said that he hadn't wached TV the night before and asked me if I had seen .
11. I had never tried this kind of food before.
12. Hardly had Mr.John got on the car when it rained heavily.