Viết lại câu: 1) When did he start working. =>How long is it....................... 2) The children don't like reading as much as watching TV. =>The children prefer............................ 3) Is he watching TV now. => He is................... 4) He said he didn't steal the car. => He denied......................... 5) Although Miss Nga doesn't earn much money, she spends like a millionaire. => In spite.................................. 6) I'm surprised at John's intelligent repiles. => I'm surprised that.....................

1. How long is it since he started working? -> How long is it since S started Ving? ~ When did S start Ving?

2. The children prefer watching TV to reading. -> prefer Ving to Ving : thích làm gì hơn

3. He is watching TV now, isn't he? -> vế giới thiệu khẳng định thì câu hỏi đuôi phủ định

4. He denied stealing the car. -> denied Ving : phủ nhận

5. In spite of not earning much money, Miss Nga spends like a millionaire. -> In spite of N/Ving = Although S V : mặc dù

6. I'm surprised that John replied intelligently. -> be surprised that S V : ngạc nhiên rằng...