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.