①基本結構：

肯定句式：be +done (及物動詞的過去分詞)

如果是不及物動詞 + 相應的介詞或副詞

否定句式：be +not +done

疑問句式：be動詞(情態動詞)放句首

被動語態中的be為助動詞，無意義。be可能是am , is , are也可能是was ,were或原形be。

注：☆被動語態的時態是由be的時態決定的，be是什么時態，全句就是什么時態，be后面的過去分詞不變。

Eg：

1.The song is liked by young people. (肯定句)

2.The song isn’t liked by young people.(否定句)

3. Is the song liked by young people ?(一般疑問句)

4.Who is the song liked by ?=By whom is the song liked?(特殊疑問句)

②各種時態的構成(動詞以do為例)：

→一般現在時

動詞的被動形式：am/is /are done

例句：He is asked to do this.

→一般過去時

動詞的被動形式：was/were done

例句：The story was told by her mother.

→一般將來時

動詞的被動形式：will /shall be done

Is/are going to

例句：The problem will be discussed tomorrow.

→過去將來時

動詞的被動形式：should/would be done

Was/were are going to

例句：He said the trees would be planted soon.

→現在進行時

動詞的被動形式：am/is/are being done

例句：The novel is being written.

→過去進行時

動詞的被動形式：was/were being done

例句：At that time the desk was being made.

→現在完成時

動詞的被動形式：has/have been done

例句：The house has been built.

→過去完成時

動詞的被動形式：had been done

例句：They said that their work had been finished.

含有情態動詞的被動語態:情態動詞+be+ done Your homework must be handed in today.

其它幾種特殊句型：

It is said that ……..

It is well known that …….

It is reported that……

例：

①History is made by the people. (一般現在時)

②The cars were made in Tianjin in 1995. (一般過去時)

③The tree will be cut down next year.(一般將來時)

④The room must be kept clean.(含有情態動詞的被動語態)

⑤The door is being opened.(現在進行時)

⑥The film has been seen by me.(現在完成時)

注：☆不同時態的被動語態的差異主要體現在助動詞be的變化上,同時助動詞be還要在人稱和數上與主語保持一致。

③應用情況

行為的執行者不明確或不必說出來。

Eg: A stranger was killed last night.

用于強調動作的承受者而不是執行者。

Eg: The story is told everywhere in the city.

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