Tất cả đều là Câu chủ động + Câu bị động

Cấu trúc :

- Thì HTĐ : S + V s / es <---> S + be + V3 ( by O )

- Thì QKĐ : S + V ed <---> S + was / were + V3 ( by O )

- Thì HTTD : S + be + V-ing <--> S + am,is,are + being + V3 ( by O )

- Thì QKTD : S + was / were + V-ing <---> S + was / were + being + V3 ( by O )

- Thì HTHT : S + have / has + V3 <---> S + have / has + been + V3 ( by O )

- Thì TLĐ : S + will + V <---> S + will be + V3 ( by O )

1.This computer isn't used very often

2.Mary was given this present an hour ago

3.The letter wasn't typed last night

4.My grandmother planted this tree in the garden

5.Pollution from factories has destroyed many rivers

6.He gave me a beautiful grass on my birthday

7.Butter and cheese can make from milk

8.Our teacher will hold a class discussion next Monday

9.He has to finish the report today

10.Liz is going to invite Hoa to dinner

`#  FF`