Ответ:
1. She asked me if I would wait for her after school.
2. My parents wondered what time I was planning to leave on the next day's morning.
3. He wanted to know how many times I have failed that exam.
4. He asked Ann if she could give him a lift after the concert the following Friday.
5. The teaher warned us not tp be late for the start of the lecture that afternoon.
6. I wanted to know if I would do the online research for our project that night.