33. When I was younger I used to go climbing more than I do now.

`=>` Now I don’t go climbing as much as I did.

Giải thích : Câu gốc sử dụng cấu trúc so sánh hơn kém:

      S + V + more than + S + V = làm cái gì nhiều hơn.

34. England no longer had dreadful fogs. 

`=>` There used to be dreadful fogs in England.  

Giải thích : used to + V

35. It is years since we decorated the room.

`=>` We haven’t decorated this room for years.

Giải thích : viết lại câu từ thì QKĐ thành HTHT

36. By the time we arrive the other guests will have already started dinner.

`=>` The other guest will start dinner before we arive. 

Giải thích : By the time + QKĐ -> before + QKĐ

37. I would like the school holidays to be longer. (Wish)

`=>` I wish the school holidays were longer.

Giải thích : Câu ước : S1 + wish + S2 + V-ed/P1...

38. John is not old enough to join the club. (Too)

`=>` John is too young to join the club.

39. He is to blame for his mistake. This is very necessary. (It's)

`=>` It is very necessary for him to be to blame for his mistake.

40. He must pass his intermediate level English examination. That was obligatory. (To pass)

`=>` It was obligatory for him to pass his intermediate level English examination.

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