They will build a new bridge over the river. (主动)
A new bridge will be built over the river. (被动)
助动词be + 及物动词的过去分词构成。
01被动语态的时态构成一般现在时：am / is / are + done
一般过去时：was / were + done
一般将来时：shall / will + be done
一般过去将来时：should / would + be done
现在进行时：am / is / are + being + done
过去进行时：was / were + being + done
现在完成时：have / has + been + done
过去完成时：had + been + done
将来完成时：shall / will + have been + done
过去将来完成时：should / would + have been + done
People grow rice in the south of the country.
Riceis grown in the south of the country.
They agreed on the building of a new car factory last month.
The building of a new car factorywas agreed on last month.
They will send cars abroad by sea.
Cars willbe sent abroad by sea.
The manager said they would complete the project by the end of the year.
The manager said the projectwould be completed by the end of the year.
The radio is broadcasting English lessons.
English lessonsare being broadcasted on the radio.
The workers were mending the road.
The roadwas being mended.
Someone has told me the sports meeting might be put off.
Ihave been told the sports meeting might be put off.
When I got to the theatre, I found they had already sold out the tickets.
When I got to the theatre, I found the tickets had already been sold out.
03含有情态动词的被动语态含有情态动词的被动语态是由“情态动词+ be+ 及物动词的过去分词”构成。
You must hand in your compositions after class.
Your compositionsmust be handed in after class.
“Mr. White, the cupwas broken after class. ”
These recordswere made by John Denver.
The cupwas broken by Paul.
3.当汉语句子的主语既不是动作的执行者，也不是动作的承受者时，这时常用in + 名词作状语，而代替 by 短语。
These cars were made in China.
❀Wehave bought a new computer.
❀A new computerhas been bought.
❀My uncle gave me a present on my birthday.
❀Iwas given a present on my birthday.
A present was given to me yesterday.
❀We always keep the classroom clean.
❀The classroomis always kept clean.
4.当主动句的主语是nobody, no one等含有否定意义的不定代词时，被动句中将其变为anybody, 作by的宾语，并将谓语动词变为否定的被动语态。如：
❀Nobody can answer this question.
❀The question can notbe answered by anybody.
—Sandy was made by some boys.
— Oh, sorry to hear that.
B. to cry
D. to crying
编 后 语 ：