1. I didn't have enough money to buy that bicycle.

(cấu trúc: S+V+adj+enough+(for sb)+to V)

2. Would you mind closing the door?

(Would you mind+Ving: Bạn có phiền làm gì đó hay k?)

3. English is spoken by many people in the world. (câu bị động)

(S+tobe+P2+(by+S)

4. Tim asked Hoa if many tourists visited Phong Nha Cave every year.

(câu trần thuật -> lùi thì (hiện tại đơn -> quá khứ đơn)

5. We haven't seen him since Christmas Day. 

6. The novel was so interesting that I stayed up all night to read it.

(cấu trúc: so...that... = such... that)

7.  My elder brother studies hard this year in order to pass the entrance exam to the university.

(in order to: chỉ mục đích)

8. The thief suddenly realised that he was being watched by the police.

(câu bị động, was/were Ving -> was/were being P2 (quá khứ tiếp diễn)