Unit3 被动语态[上学期]
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课件10张PPT。Passive (被动语态)Many people speak English. (主动语态)He opened the door.他开了门。(主动句)
被动语态表示主语是动作的承受者，
即行为动作的对象。 English is spoken by many people.The door was opened.门被开了。二、被动语态的构成 被动语态由“助动词be＋及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。
一般现在时：am／is／are＋p.p
一般过去时：was／were＋p.p
一般将来时：will／shall be＋p.p
现在进行时：am／is／are being＋p.p
过去进行时：was/were being＋p.p
现在完成时：have／has been＋p.p三、被动语态的用法(1)不知道或没有必要说明动作的执行者是谁。
例如：Some new computers were stolen last night.
一些新电脑在昨晚被盗了。
(不知道电脑是谁偷的)
This book was published in 1981.
这本书出版于1981年。
(2)强调动作的承受者，而不强 调动作的执行者。 例如：The window was broken by Mike.
窗户是迈克打破的。
This book was written by him.
这本书是他写的。
四、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。
I bought a book ( a book was bought by me)
(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 man killed a tiger. → A tiger was killed by the man .(改的过程中要注意时态和语态两个方面) .
五、含有情态动词的被动语态 含有情态动词的主动句变成被动句时，由“情态动词＋be＋过去分词”构成. 例如：
We can repair this watch in two days.
They should do it at once.
This watch can be repaired in two days.It should be done at once 三、 被动语态的各种句型：
Ｔhe song is liked by young people. (肯定句) 否定句:
一般疑问句:
特殊疑问句: Ｔhe song isn’t liked by young peopleIs the song liked by young people ?Who is the song liked by ?I am reading a book.
They were playing a game at 8’o clock yesterday morning
I bought a book yesterday
I have finished my homework
He broke the window.A book is being read by me.A game was being played by them at 8’o clock yester morning.A book was bought yesterday.My homework has been finished.The window was broken by him.Ex. 7
is celebrated 2. is splashed 3. are carried
are told 5. is related 6. are washed
7. are raced 8. are launchedEx. 9
depends on 2. was lit 3. has decorated
mark 5. celebrate 6. share
was saved 8. including
改主动为被动句：
Millions of Chinese people celebrate the Mid-Autumn Festival every autumn.
dozens of boys light lanterns to celebrate the Lantern Festival.
They are having dragon boat races to celebrate the Dragon Boat Festival.
The boy has already completed the task.
People can either boil or fry sweet dumplings.Homework
被动语态表示主语是动作的承受者，
即行为动作的对象。 English is spoken by many people.The door was opened.门被开了。二、被动语态的构成 被动语态由“助动词be＋及物动词的过去分词”构成。人称、数和时态的变化是通过be的变化表现出来的。
一般现在时：am／is／are＋p.p
一般过去时：was／were＋p.p
一般将来时：will／shall be＋p.p
现在进行时：am／is／are being＋p.p
过去进行时：was/were being＋p.p
现在完成时：have／has been＋p.p三、被动语态的用法(1)不知道或没有必要说明动作的执行者是谁。
例如：Some new computers were stolen last night.
一些新电脑在昨晚被盗了。
(不知道电脑是谁偷的)
This book was published in 1981.
这本书出版于1981年。
(2)强调动作的承受者，而不强 调动作的执行者。 例如：The window was broken by Mike.
窗户是迈克打破的。
This book was written by him.
这本书是他写的。
四、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。
I bought a book ( a book was bought by me)
(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 man killed a tiger. → A tiger was killed by the man .(改的过程中要注意时态和语态两个方面) .
五、含有情态动词的被动语态 含有情态动词的主动句变成被动句时，由“情态动词＋be＋过去分词”构成. 例如：
We can repair this watch in two days.
They should do it at once.
This watch can be repaired in two days.It should be done at once 三、 被动语态的各种句型：
Ｔhe song is liked by young people. (肯定句) 否定句:
一般疑问句:
特殊疑问句: Ｔhe song isn’t liked by young peopleIs the song liked by young people ?Who is the song liked by ?I am reading a book.
They were playing a game at 8’o clock yesterday morning
I bought a book yesterday
I have finished my homework
He broke the window.A book is being read by me.A game was being played by them at 8’o clock yester morning.A book was bought yesterday.My homework has been finished.The window was broken by him.Ex. 7
is celebrated 2. is splashed 3. are carried
are told 5. is related 6. are washed
7. are raced 8. are launchedEx. 9
depends on 2. was lit 3. has decorated
mark 5. celebrate 6. share
was saved 8. including
改主动为被动句：
Millions of Chinese people celebrate the Mid-Autumn Festival every autumn.
dozens of boys light lanterns to celebrate the Lantern Festival.
They are having dragon boat races to celebrate the Dragon Boat Festival.
The boy has already completed the task.
People can either boil or fry sweet dumplings.Homework