人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
Practice
Turn the following into the Passive Voice.
1. We have planted some trees around the lake. Some trees have been planted around the lake .
The Present Perfect Passive Voice
Learning about passive voice—an overview
Tense or Model
Simple Present
Simple past
Simple Future
Passive Sentence
The TOEFL exam is given every six months. The TOEFL exam was given last month. The TOEFL exam will be given every year.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
4. 一些特殊动词, 如borrow, finish, begin, buy, start, return, marry, open, join等构 成的现在完成时的被动语态不能与表示 一段时间的状语连用。若要表达相应的 意思， 则需改换动词或时态。如：
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
2. 并不是所有动词都有被动语态 1) happen, take place, break out, belong to, cost, last等不及物动词或词组无被 动语态。如： [误] Great changes have been taken place in China since 1978. [正] Great changes have taken place in China since 1978.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
2) open, break, drop等不强调动作发出者 时常用主动语态。 3. 短语动词不可分割或省略其中的介词或 副词。如： The patients have been taken good care of.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
My brother has had (不能用has bought) this bike for almost four years. How long has this book been bought? How long ago was this book bought?
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
(4) 双宾语动词变被动语态可将其中的一 个宾语变为主语， 另一个保留不动。 主动：I have given him the key. 被动：He has been given the key. 被动：The key has been given (to) him.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
(3) 把主动语态中的主语放在介词by之 后作宾语, 将主格改为宾格。例如：
All the people laughed at him. He was laughed at by all people. They make the bikes in the factory. The bikes are made by them in the factory.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
主动语态变被动语态的方法 (1) 把主动语态的宾语变为被动语态的主
语。 (2) 把谓语变成被动结构 (be＋过去分词)
(根据被动语态句子里的主语的人称和 数，以及原来主动语态句子中动词的 时态来决定be的形式)。
The TOEFL exam had been
Past perfect given before the Vietnam
War occurred.
现在完成时的被动语态
现在完成时的被动语态表示动作发生在过 去, 到现在已经完成或对现在仍有影响。
Understanding the structure of the present perfect passive voice The structure of the present perfect passive voice is: have / has ＋ been＋~ed源自Tense or Model
Passive Sentence
Present The TOEFL exam is being
Continuous given every year.
Present The TOEFL exam has been
perfect given every year since 1950.
人教版高中英语必修二第三单元-Gram mar（ 共29张P PT）
注意:
1. 副词的位置 often, usually, always, never, hardly, seldom等副词置于have / has和been中间。 如: [误] Such a man has been hardly believed. [正] Such a man has hardly been believed.