1. It is a good idea to go skiing in such bad weather.(should)

→ We should go skiing in such bad weather. (It is a good idea to-V → S + should + V<infi>)

2. Linda does not live with her parents any more.

→ Linda used to live with her parents. <used to: đã từng nhưng bây h ko còn nx>

3. Does your father sometime drink wine?(doesn't)

→ Your father dometimes drinks wine, doesn't he? <câu hỏi đuôi>

4. When did they first organize The Oscars?

→ When was The Oscars first organized?

5. Keep silent in the class or you will be punished by the teacher.

→ If you don't keep silent in the class, you will be punished by the teacher.

6. I last visited my grandparents when I went to the countryside.

→ I haven't visited my grandparents since I went to the countryside. (S + last + V<htd> + time → S + has/ have + not + since/ for)

7. We used to spend an hour to drive to work,but now we spend 45 minutes.

→ We spend less time than we used to spend to drive to work. 

1. You should go skiing in bad weather.

2. Linda used to live with her parents.

3. Your father sometimes drinks wine, doesn't he?

4. When was The Oscars first organized?

5. If you don't keep silent in the class, you will be punished by the teacher.

6. I haven't visited my grandparents since I last went to the countryside.

7. We spend 45 minutes on drving to work.