内容正文:
Unit 6
When was it invented?
Section A
Grammar Focus~4c
被动语态
基本含义:
基本构成:
主语是动作的承受者
助动词be+动词的过去分词
1.肯定句: 主语 + was/were + V-ed + (by…)
The book was bought by Tom.
2.否定句: 主语 + was/were + not + V-ed + (by…)
3.一般疑问句: Was/Were + 主语 + V-ed + (by…)?
The book was not bought by Tom.
Was the book bought by Tom.
特殊疑问句: 疑问词 + was/were + 主语 + V-ed + (by…)?
Who was the book bought by?
一般过去时被动语态结构:“主语+ was /were +及物动词的过去分词(+by+动作的执行者).”常见几种句型结构:
一般过去时被动语态句子结构
Wise men learn by other men's mistakes; fools by their own
Presentation
He speaks English.
主动句与被动句之间的转换
English is spoken ( by him )
主语 谓语动词主动语态的单三式 宾语
主语 谓语动词被动语态的过去分词 介词+ 宾语
(温馨提示:善于总结学习方法是成功者的秘诀。)
Wise men learn by other men's mistakes; fools by their own
03
接双宾的谓语动词主动变被动
Sandy gave me a book.
(Sandy gave a book to me)
I ______________________ .
was given
a book
by Sandy
The book _______________________ .
was given
to me
by Sandy
这样的词还有pass, lend, bring等
通常把指“人”的间接宾语变为主语,指“物”的直接宾语保留不变
如果把指“物”的直接宾语变为主语,则在间接语前加to或for
Wise men learn by other men's mistakes; fools by their own
5
一般过去时的被动语态的构成
He is invited to Beijing to give a talk every year.
每年他都被邀请去北京作报告。
去年他被邀请去北京作报告了。
He was invited to Beijing to give a talk last year.
Many flowers are planted by them every year.
他们每年都要种许多花。
他们去年种了许多花。
Many flowers were planted by them last year.
构成:was/were+动词的过去分词
Verb Past tense Past participle
be(am,is,are) was,were been
make
invite
work
learn
bring
invent
say
divide
made
made
invited
invited
worked
worked
learned
learned
brought
brought
invented
invented
said
said
divided
divided
Let’s think.
主动句变为被动句所遵循的4个步骤:
1. 把原主动句中的宾语变为被动句的主语。
2. 把动词变为被动形式即be+过去分词,并注意其人称和数随主语的变化,而动词的时态则保持不变。
3. 原主动句的主语如需要则放在by后面以它的宾格形式出现(注代词的宾格),如不需要则可省略。
4. 其它的成分(定语、状语)不变。
过去式被动语态的几种句型
肯定句 主语 + be + 过去分词 + (by…)
A sweet song was sung by her on the stage.
2 否定句 主语 + be + not +过去分词 + (by…)
一般疑问句 Be + 主语 +过去分词 + (by…)?
A sweet song wasn’t sung by her on the stage.
Was a sweet song sung by her on the stage?
特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)?
Where was a sweet song sung by her?
2. Somebody stole my camera from my hotel room.
My camera was stolen (by somebody) from my hotel room.
3. Where did you take these photos?
Where were the photos taken (by you)?
4a Rewrite the sentences using the
passive voice.
4. Our parents advised us not to go out alone.
5. Different writers translated the book into different languages.
We were advised not to go out alone (by our parents) .
The book was translated into different languages (by different writers).
Complete the sentences with the correct forms of the verbs in the box.
eat lock like ring invite break tell bring
1. You _____________ to the party last night, weren’t
you? Why didn’t you go?
2. The earthquake happened all of a sudden, but luckily
the villagers _____________ to a safe place.
were invited
were brought
v. (使)发出钟声或铃声;打电话
v. 锁上;锁住 n. 锁
n. 地震
突然;猛地
4b
Wise men learn by other men's mistakes; fools by their own
1.肯定句: 主语 + was/were + V-ed + (by…)
The book was bought by Tom.
2.否定句: 主语 + was/were + not + V-ed + (by…)
3.一般疑问句: Was/Were + 主语 + V-ed + (by…)?
The book was not bought by Tom.
Was the book bought by Tom.
特殊疑问句: 疑问词 + was/were + 主语 + V-ed + (by…)?
Who was the book bought by?
一般过去时被动语态结构:“主语+ was /were +及物动词的过去分词(+by+动作的执行者).”常见几种句型结构:
一般过去时被动语态句子结构
Wise men learn by other men's mistakes; fools by their own
Presentation
Complete the sentences with the correct forms of the verbs in the box.
3. The door ___________ when we arrived, so we
______ the bell.
4. The students ________ not to eat or drink in class,
but Ruby _______ the rule when she started eating
a biscuit in science class.
5. The cookies _________ by the hungry kids in less
than 20 minutes, and they really _____ them.
was locked
rang
were told
broke
were eaten
liked
n. 钟(声);铃(声)
n. 曲奇饼
n. 饼干
4b
Wise men learn by other men's mistakes; fools by their own
The telephone ____________ (invent) by Alexander Graham Bell. He ____________ (born) in 1847. Mr. Bell __________ (work) on the invention of the telephone with Thomas Watson. In 1875, Mr. Bell _________ (learn) how to send musical notes through an instrument similar to a telephone.
was born
was invented
worked
Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks.
learned
adj. 音乐的;有音乐天赋的
n. 器械;仪器;工具
Finally, the telephone ___________ (invent) in 1876. The first sentence that ___________ (say) on the telephone by Mr. Bell was “Mr. Watson, come here; I want to see you.” Today the telephone ___________ (use) around the world.
was invented
was said
is used
本课时重点回顾
be used for 被用做于
When was … invented?
It was invented in…
I think … is invented before/after…
3. What is/are … used for?
It is/they are used for ....
It’s used for scooping really cold ice cream.
【经典习题】完成句子:
邮票是用来发送信件的。
Stamps are ____ ___ ______ letters.
【要点点拨】be used for doing sth. 表示“被用于干某事”,意思与be used to do sth.相同。
如:The camera is used for taking photos. = The camera is used to take photos.
used for sending
【拓展延伸】
◆be used as sth. 表示“被用作某物”。如:English is used as the second language in many countries.
◆be used by sb. 表示“被某人使用”,后接动作的执行者。如:These textbooks are used by students.
◆be / get used to do sth. 表示“习惯于做某事”。如:She is used to running every morning.
◆used to do sth. 表示“过去常常做某事”。如:Miss Li used to dance after work.
根据语境及括号内所给词语的提示填空。
1. The e-mail __________(send) to you two days ago. I wonder why you haven't replied to it yet.
2. I lost two of my books but luckily they __________(find).
3. She __________(ask) to take part in the show but she refused.
4. Mrs. Wilson __________(take) to hospital last night.
5. The dishes ______________________ (not, wash) by Susan. Bill washed them.
was sent
were found
was asked
was taken
were not / weren't washed
用所给动词的适当形式填空。
1. The pizza was ______ (make) by me. Would
you like to have some?
2. The Great Wall is ______ (know) all over the
world.
3. This story was ______ (tell) by my
grandmother last night.
4. Was a new science museum ______ (build) in
your hometown last year?
5. No student is _______(see) in the playground.
made
known
told
built
seen
完成句子。
1. My mother cleaned the room this morning.
(改为被动语态)
The room _____ _______ by my mother
this morning.
2. Was the model plane made by your brother?
(补全肯定答语)
_____, it _____.
Yes was
was cleaned
3. The bag was stolen last week. (改为否定
句)
The bag ______ ______ last week.
4. The criminal was caught yesterday. (对划
线部分提问)
______ _____ the criminal ________?
wasn’t stolen
When was caught
1. In some countries , tea ______ with milk and sugar.
A. is serving B. is served
C. serves D. served
2. Great changes _____ in my hometown since 1980.
A. have been taken place B. took place
C. have taken place D. were taken place
3. The new type of car is going to ______ in three years.
A. turn out B. be turned out
C. has turned out D. have been turned out
4. The woman murdered her friend and ______ to ______.
A. was sentenced , death B. sentencing , die
C. sentenced , death D. sentenced , die
选择填空
Homework
必做作业:1.Remember the words, phrases and Sentences in this unit.
2.Finish your writing.
选做作业:Take a video to introduce an invention.
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