4. It's not easy to drive a car.

5. That tree was planted by her five years ago.

Bị động thì Quá khứ đơn:

S + was/ were + VpII + by O

6. My family has the roses watered everyday.

have sb do sth = have sth done

7. He's going to ask someone to redecorate with some new furniture.

8. I suggest using gas instead of burning coal.

suggest + V_ing

9. Because Tom was lazy, he failed the exam.

11. Laurence's not seen his sister since she left from Japan.

12. Does it take you two hours to surf the web every evening?

It takes/ took (sb) + time + to V

14. The Internet has been used all over the world.

Bị động thì Hiện tại hoàn thành:

S + have/ has + been + VpII

15. No one in the world plays chess better than you.

16. Tom doesn't speaks English as well as Peter.

17. I don't know about it as much as she does.

18. Oranges are not as cheap as apples.