14. We spent five hours getting to London. ( S + spend/spent + time/money/.. + V-ing + O )

15. There are more than thirty theatres in London. ( There are + N(s/es) + adv )

16. on ( on foot = đi bộ )

17. Tom prefers going fishing to listening to the teacher.

Tom prefers to go fishing rather than (to) listen to the teacher. ( S + prefer + V-ing + to + V-ing , áp dụng : S + would prefer + to V + rather than + (to) V ))

18. He has worked at the factory for 15 years. ( Thì hiện tại hoàn thành )

19. When did they buy the car ? ( Thì quá khứ đơn )

20. It is a long time since I last ate chicken. ( It is + khoảng thời gian/ mốc thời gian + since + S + V(quá khứ đơn))

21. would ( S + would rather + V + than + V )

=>
14. We spent five hours getting to London. (spend time Ving = take time to V)
15. There are more than thirty theatres in London. (there are + N số nhiều)
16. Every day they go to school on foot. (on foot = walk)
17. Tom prefers going fishing to listening to the teacher. (prefer Ving to Ving : thích làm gì hơn)
Tom prefers to go fishing rather than (to) listen to the teacher. (prefer to V rather than (to) V)
18. He has worked/has been working at the factory for 15 years. (chuyển QKĐ sang HTHT/HTHTTD, for + khoảng time)
19. When did they buy the car? (when : khi nào)
20. It is a long time since I last ate chicken/ I ate chicken. (It's + time + since QKĐ)
21. He would rather play football than play tennis. (would rather V...than V = prefer Ving to Ving)