Supply the correct passive form of the verbs in brackets : 

1. has used ( thì HTHT , dấu hiệu : for , S + has/have + Vpp  + ..... 

2. was discovered ( thì QKĐ , S + was /were + ..... ) 

3.will widen ( khi có chữ think ở trong câu thì ta dùng thì tương lai đơn , S think + ... + S + will + V-inf )

4.finished ( thì QKĐ , dấu hiệu : in 1983 , S + Ved/cột 2 + ... ) 

5. is situated ( qkđ ) 

6. was built ( qkđ ) 

7. was completed ( qkđ ) 

8. was formed  ( qkđ ) 

9. was opened  ( qkđ )  

10. was stolen - hasn't been found  ( qkđ ) 

NO COPY 

@Linh

#Muoi 

`1.` has used

`->`  HTHT

`->` Dấu hiệu: for two years

`->` Ta có công thức như sau:

Thể khẳng định: S + have/ has + V_3

Thể phủ định: S + have/ has not + V_3

Thể nghi vấn: (Wh-) + have/ has + S + V_3?

`2.` was discovered

`->` QKĐ

`->` Ta có công thức như sau:

Thể khẳng định: S + was/were

Thể phủ định: S + was not/were not + ...

Thể nghi vấn: Was/were + S + ...? 

`3.` will widen

`->` TLĐ

`->` Dấu hiệu: think

`->` S + will + V_0

S + will (won't) + V_0

Will/won't + V_0? 

`4.` finished 

`->` Thì QKĐ 

`->` Dấu hiệu: in `1973`

`5.` is situated

`->` QKĐ 

`6.` was built

`7.` was visited

`8.` was compeled 

Câu `4,5,6,7,8` giống câu `2`