变被动语态 My father bought me a bike yesterday.This morning the postman deliered a letter.The workers are building a naw subway door.The thief was caught polie .The headmaster has put the boy punished.My sister made the cake.

A bike was bought to me by my father yesterday.
A letter was delivered by the postman this morning.
A new subway door is being built by the workers.
The thief was caught by the police.
The boy was put to be punished by the headmaster.
The cake was made by my sister.

A bike was bought for me by my father yesterday. This morning a letter is deliered by the postman.
A naw subway door is built by the workers.
The thief was caught by the police.
The boy has been punished by the headmaster.
The cake was made by my sister.
记得采纳哦！不会的可以继续问

My father bought me a bike yesterday
I was bought a bike by my father yesterday.// A bike was bought for me by my father yesterday
This morning the postman deliered a letter.
A letter was deliered by the postman this morning.
The workers are building a naw subway door.
A naw subway door is being built by the workers.
The thief was caught by the police .
The headmaster has put the boy punished.
The boy has been put punished by the headmaster.
My sister made the cake.
The cake was made by my sister.

A bike was bought by my father for me yesterday
A letter was deliered by the postman this morning
A new subway door isbeing built by the workers
Police caught the thief
The boy has been punished by the headmaster
The cake was made by my sister
如果对你有所帮助，请记得采纳哦！

A bike was bought for me (bu my father) yesterday.
A letter was deliered by the postman this morning.
A naw subway door is being built by the workers.
The thief was caught by the police.
The boy has been put punished by the headmaster.
The cake was made by my sister.
()内的表示可以省略
多谢!
楼上第4题错了.