1. My brother said he couldn't go to school that day because he was ill
My sister told me she couldn't go to school that day because she was ill
2. She told me she didn't know how to use that machine
The old man said he didn't know how to use that machine
3. Hoa asked Trang why she couldn't come to the meeting the following evening.
4. She wanted to know my new address.
I asked her what her new address was.
5. The students asked their teacher if they must do those assignments then.