11. She has worked as a secretary for five years.
-> S + started + Ving/to V = S + have/has + Vpp
12. I don't know as much abot it as she does.
13. My French friend isn't used to driving on the left.
-> be used to + Ving/N : trở nên quen với
14. The owner of the house is thought to be abroad.
-> 2 vế cùng thì nên dùng to V
15. If we had had enough money, we would have gone on holiday.
-> If 3: If + had + Vpp, S2 + would + have + Vpp
16. The sea was too rough for the children to swim.
-> S + tobe + too + adj + for SO + to V
17. My car was serviced by the machanic last week.
-> Câu bị động quá khứ: S + was/were + Vpp
18. Traveling by air always makes me nervous.
-> make + SO + adj
19. The car was too expensive for him to buy.
-> S + tobe + too + adj + for SO + to V
20. He suggested that I should put my luggage under the seat.
-> suggest + S + should + Vinf