1. He gave me a book for my birthday.

=> I was given a book for my birthday

2. The question was so difficult that we can't answer it

=> The question was too difficult for us to answer

3. What a pity! I broke the vase.

=> I wish I didn't broke the vase

4. It rains heavily so I can't come on time.

=> If it didn't rain heavily, I could come on time.

5. Mary can't speak English so fluently as her sister can

=>Mary wishes she could speak English so fluently as her sister can

6. DaLat is one of a famous landcapes in VietNam. I spent my holiday there

=>I spent my holiday in Da Lat where is one of a famous landscapes in Viet Nam

7. It was very late. They didn't go to the party.

=>It was too late for them to go to the party

8. The water was so cold that the children could not swim in it.

=> The water was not warm enough for children to swim in it

9. They will have to change the day of the meeting again.

=> The date of the meeting will have to be changed again.

10. Janet can't get speical prices because she isn't a student.

=> If Janet was a student, she could get special prices

Cho mik CTL hay nhất nha.

* Chúc bạn học tốt*

III: 3, I wish I hadn't broken the vase(câu ước quá khứ)

5, Mary wishes she could speak English so fluently as her sister can(câu ước hiện tại)

6, I spent my holiday in Da Lat where is one of a famous landscapes in Viet Nam(mệnh đề quan hệ nơi chốn)