Viết lại câu: He can't apply for the job because he is old. I can't join in your trip as I promised because I have to finish my report on books

1. He can't apply for the job because he is old.
-> If...
2. I can't join in your trip as I promised because I have to finish my report on books.
-> If...
3. "Don't play with the matches!" I said to Jack
-> I warned...
4. The boy asked his mother's permission and then went our to play.
-> Having...
5. After Lee had had dinner, she went out for walk.
-> Having...
6. We can't have breakfast in the garden because it is very cold.
-> It is so....
7. I regretted that I had told him about mysorrow.
-> I regretted...
8. I like the car. I will buy it.
-> The woman thought...