1. Thomas asked Jean if she had seen his gloves

2. Everyone was told about changes to the timetable.

3. If I knew her number, I would ring her up

4. The book was so interesting that I spent much time reading it again and again

5. It was the most boring movie I ever seen

1. Thomas asked Jean if she had seen his gloves.

→ S + asked + O + if/wheter + S + V(lùi thì): câu tường thuật dạng câu hỏi yes/no

2. Everyone was told about the changes to the timetable.

→ câu bị động thì QKĐ: S + was/were + V3/ed + (By+O)

3. If I knew her number, I would ring her up.

→ câu ĐK loại 2 ( diễn tả 1 sự việc k thể xảy ra ở hiện tại) : If + S + QKĐ, S + woukd + V0

4. The book was so interesting that I spent much time reading it again and again.

→ S + V + so + adj/ adv + that + S + V+ O: quá... đến nỗi mà...

5. It was the most boring movie I have (ever) seen.

→ It/This + is/was +  so sánh nhất +  S +have/has + (ever) + V3/ed

= S +have/ has + never + V3/ed + such +( a/an )+ Adj + N