1. He said he wouldn’t have enough time to finish the job. (WILL)

=> He said: " I won't have enough time to finish the job."

=> câu tường thuật lùi từ will -> would (chuyển về dạng trực tiếp dùng will)

2. When did your friends eat that chocolate cake? (WAS)

=>  When was that chocolate cake eaten by your friends?

3. “What are the skills you concern most?” my teacher asked. (I)

=> My teacher asked what the skills I concerned most were.

4. I have never read such as interesting novel as The Little Prince. (MOST)

=> The Little Prince is the most interesting novel I have ever read