`#PAINE`

`+` Cấu trúc câu bị động 

`-` S2 tobe PI

`-` Dạng hiện tại đơn `:` S + am/is/are + P2

`-` Dạng quá khứ dơn `:` S + was/were + P2

`-` Lưu ý `:` Ở dạng bị động thì đưa S2 lên đầu vì S2 là vật được tác động bởi S1

`1:` The waiter brings me the dish

`->` The dish is brought to me by the waiter

`2:` Our friends send these postcards to us 

`->` These postcards are sent to us by Our friends

`3:` Their grandmother told them this story when they visited her last week `.`

`->` This story was told to them by their grandmother when they visited her last week.

`4:` Tim ordered this train ticket for his mother`.`

`->` This train ticket was ordered by Tim for his mother

Đáp án: 

1. This dish is brought by the waiter. 

Active: S + Vs/es + Ob+ ...

Passive: Ob + is/am/are + Ved/PII (+ by S ) +...

=> Hiện tại đơn

2. These poscards are sent by our friends to us. 

Active: S + Ved/pII + Ob + ...

Passive : Ob + was/were + Ved/pII (+ by S ) +...

=> Qúa khứ đơn

3. This story was told by their grandmother when they visited her last week.

Active: S + Ved/pII + Ob + ...

Passive : Ob + was/were + Ved/pII (+ by S ) +...

=> Qúa khứ đơn

4. This train ticket was ordered by Tom for his mother 

Active: S + Ved/pII + Ob + ...

Passive : Ob + was/were + Ved/pII (+ by S ) +...

=> Qúa khứ đơn

@Chúc bạn học tốt