potato怎么读-平庸什么意思
九年级被动语态专练
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学习目标:掌握各种时态的被动语态的结构
能够正确的把主动语态变为被动语态
掌握被动语态的各种特殊用法
重难点:被动语态的几种特殊用法
一、语态概述
英语中动词有主动语态和被动语态两种语态.
主动语态表示主语是动作的执
行者,被动语态表示主语是动作的承受者,
在被动语态中动作的执行者有时用by
短语表示出来.
主动语态表示主语是动作的执行者。巧记为:主动、主动、主去动。
例如:Many
people speak English.(谓语:speak的动作是由主语many
people
来执行的。)
被动语态表示主语是动作的承受者,即行为动作的对象。
巧记为:被动、被动、主被动。
例如:English is spoken by
many people.主语English是动词speak的承受者。
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。现以do 为例说明被动语态在各种时态中的构成。
歌诀是:被动语态be字变,过去分词跟后面。
公式为:
be(有时态的变化)+动词的过去分词
1. 一般现在时: am (is, are)
done.(every day, usually, often …)
2. 一般过去时:
was (were) done (yesterday, last
nightweekmonthyear,in1885…)
3. 一般将来时: will
(shall) be done ( next weekmonthyear, in the
future…)
* 4. 现在进行时: am (is, are) being done
( now, these days, Look! Listen! …)
* 5.
现在完成时: have (has) been done (since+clause the past
time, for + some
time , so far, these days…)
6. 带情态动词的被动语态:must (can, may,
should, need, would) be done
7 不定式的被动结构 to+
be+动词的过去分词
三、被动语态的用法 (歌诀:谁做的动作不知道,说出谁做的没有必要
动作承受者需强调,被动语态运用到。)
1 不知动作执行者时,常用被动语态.
eg. This car is made in America.
2.
不必要说出动作执行者时,常用. eg. Rome was not built in a
day.
3. 为了突出强调动作的承受者时,常用被动语态.
eg. English
is spoken in many countries .
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。
(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)。
(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.
-----
歌诀是:宾变主,主变宾,by短语后面跟。
谓语动词变被动,be后“过分”来使用。
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,原
来带to的情态动词变成被动语
态后“to”仍要保留。
歌诀是:情态动词变被动,情态加be加“过分”,
(情态动词)原来带to要保
留。
例如:
1 We can repair
this watch in two days.
→This watch can be
repaired in two days.
2 You ought to take it
away. →It ought to be taken away.
3 They
should do it at once.→It should be done at once.
六、从初中阶段所学五种基本句型谈变被动语态时应注意的问题。
1.主语 + 连系动词 + 表语 (S+V+P)
此结构不可用被动语态。
(正) The flowers smell sweet.
(误) The
flowers are smelt sweet.
2.主语 + 不及物动词 (S+V)
此结构不可变被动语态。
(正) An accident happened last
night.
(误) An accident was happened last
night.
3.主语 + 及物动词 + 宾语 (S + V+ O)
(1)将主动语态的宾语变为被动语态的主语
Children often sing
this song
This song is often sung by
children.
(2)将含有介词或副词的动词短语变为被动结构时,不可将介词或副词去掉。
We should listen to the teachers carefully.
The teachers should be listened to carefully.
4.主语 + 及物动词 + 间接宾语 + 直接宾语 (S + V+ IO+ DO)
(1).将表人的间接宾语变为主语,直接宾语不变。
He showed us a
picture .
We were shown a picture.
(2).将指物的直接宾语变为主语,要在间接宾语前加介词to或for.
常用加to的动词give, show, pass, read等
常用加for的动词
buy, get, make, sing, draw 等
A picture was
shown to us.
A dictionary was bought for me by
my parents.
5. 主语+及物动词 + 宾语 + 宾语补足语 (S+ V+ O +
C)
如动词为 make, see, hear, watch
等,后接宾语补足语为不带“to”不定式时,变被
动语态时要加上“to” 。
I saw
him fall off the tree.
He was seen
to fall off the tree.
6. 过去分词并非都是被动语态,系动词 be,
feel, seem, look,等词后面的过
去分词已转化为形容词,作表语用,表示某种状态。
I'm interested in mathematics. 我对数学感兴趣。
*7. 某些动词用主动语态来表示被动含义。The woman's clothes sell
well. 女装卖
的快。This book sells best.这本书很畅销.
课内探究案
I 思考一:各种时态的被动语态的结构
时态
一般将来时
一般过去时
一般将来时
现在进行时
现在完成时
含有情态动词
被动语态结构
练习巩固:用所给动词的适当形式填空
1. Our TV set
_______________ (repair) yesterday.
2. A new
building __________________ (build) in our school
next year.
3. Many books on science
_________________ (buy) since I went to
college.
4. Now he _________ (be) asked if
the meeting ____________ (hold)
next Friday.
5. Your school bag _______________ (must not
put) there.
6. __________ this
kind of bike____________ (make) in the USA?
思考二:怎样把一个句子由主动语态变为被动语态?
People speak
English in many countries.
English is spoken
in many countries.
1. They often plant trees
in spring every year.
2. We will hold the
sports meeting next time
3. Did your
father write the book?
4. Where do they
make the machine?.
思考三: 含有双宾语的句子怎样变被动语态?
例如: Jim gave her a book.
She was
given a book by Jim.
A book was given to
her by Jim.
1. The teacher showed the children
a beautiful picture.
_____________________________________________
_____________________________________________
2. My father bought me a new bike.
____________________________________________
____________________________________________
常和to 连用的动词有那些?
常和for连用的动词有那些?
思考四:动词不定式做宾语补足语的句子怎样变被动?
ask sb to do sth
-----__________________________
tell sb to do
sth-----__________________________
make sb do
sth-----___________________________
see sb do
sth-----_____________________________
练习巩固:用所给动词的适当形式填空
1. The baby _______
(make)___________ (cry) by his sister.
2. Jim
_________often______ (hear) _________ (sing) in
the room.
3. Jack _________(ask)
____________(answer) the question in French.
4. The Browns ___________(see)
____________(leave) the hotel
already.
V.
思考五:有关被动语态的几种句型
1. needwantrequire + doing =
needwantrequire + to be done
2. It is said
that… 据说
It is reported that …据报道
It
is thought that …大家认为
It is believed
that…有人相信
3. 复合句变被动,主从句都要变
If
a computer is bought for me , the work will be
finished more quickly
VI.思考六: 不用被动语态的动词:
1. 不及物动词(vi.) 如:
happen, take place, appear, disappear …
A
traffic accident ________ (happen) just now.
2. 连系动词(Link.v.) 如:be, look, seem, feel,
sound, smell, taste, get,
turn, become…
Peking Opera ________ (sound) beautiful
3. 当此动词表示事物的自然属性的时候:
The pen _________
(write) very fast.
This kind of sweater
_______ (sell) well.
小结:关于被动语态的几种用法你掌握了吗?
课后提升案
一. 单项选择( )
( )1 The old
man and the children must ____________ in our
country.
A take good care B. be taken
good care
C. take care of D. be taken
good care of
( )2 Look! A big modern
building ________ in our city.
A is built B.
was being built C. is being built D. has built
( )3 Many more houses ______ for teachers
since last year.
A are building
B. built C. have built D. have been built
(
) 4 A man ________ cry for help last night.
A
was heard to B. hear to C. was heard D heard to
( ) 5 I think computer ________ in
everyday life before long.
A will be B. will
be used C. is used D. was used
( ) 6 Old
people must be looked after and ________ politely.
A speak to B. spoken C. speak D. spoken to
( ) 7 The flowers _________ often.
A
must be water B. must be watered C. must watered
D. must
water
( ) 8 This kind of shoes
________ well last year.
A. didn’t sell B.
sell C. aren’t sell D. wasn’t sell
二.
用括号中所给动词的适当形式填空。
1. This kind of bike
________(sell) in the New Century Supermarket. It
_______(sell) well.
2. I will go to the
party if I ___________(invite).
3. It
__________(say) that he is a government officer.
4. The flowers need ___________(water) every
day..
5. He is often noticed____________(sit)
at the table alone.
6. An accident
___________(happen) here last week.
7. So far,
many man-made satellites _______________(send) up
into the
space.
8. The
30
th
Olympic Games ____________(hold) in
London in 2018.
9. The road
_______________(repair) now.
10. The People’s
Republic of China _________ (found) on October1,
1949.
学后反思
这节课我学到了什么?
我还存在哪些问题?
被动语态专项练习
一、选择题
(
)1._____ a new library _____ in our school last
year?
built bulit build build
( ) accident ____ on this road last week.
been happened happened happened ed
( ) (棉花)____ in the southeast of China.
grown grown
( ) far,the moon
____ by man already.
visited be visited
been visited visited
( )5.A talk on
Chinese history _____ in th school hall next week.
given been given be given
(
) many trees ____ this year?
planted
plant been planted d
( )7.A lot of things
____ by people to save the little girl now.
doing being done been done be done
( )r of them ______ in China.
made made made
( )! A nice picture
____ for our teacher.
drawing being
drawn been drawn
( ) shoes ____. You
need a new pair.
out out worn out
worn
( ) doctor _____ for yet.
't sent 't been sent 't be sent 't sent
(
)12.--When ___ this kind of computers______?
--Last year.
use used used used
( ) Great Wall ____ all over the world.
known known
( )14.I ____
in summer.
born been born born
( ) says that Mr Zhang _____ to the
factory next week.
sent send sent
be sent
( ) _____ this book _____?
; written written by written written
(
) ____ show me her new dictionary.
asked to asked to asked to
( )18.A
story _____ by Granny yesterday.
told
us told to us told us us
(
) monkey was seen _____ off the tree.
jump
( ) school bag ___ behind the chair.
be put be putted put
( )
people ____ well.
after be looked after
look after
after
( ) teacher
______ carefully.
be listened to be
listen listened listened
二、
用动词的正确语态填空。(综合运用)
1. The students _____ often
_____(tell) to take care of their desks and
chairs.
2. That play ________(put) on again
sometime next month.
3. The old man is ill. He
______ (must send) to the hospital.
4.
Vegetables, eggs and fruits_________ (sell) in
this shop.
5. What _______ a knife ______
(make) of?
It _______________(make) of metal
and wood.
6. A Piano concert
_____________(give) here last Friday.
7.
______ the magazine ____(can take) out of the
library?
8. The room _____________ (clean) by
me every day.
9. The stars _____________ (can
see) in the daytime.
10. Some flowers
__________(water) by Li Ming already.
11.
These kinds of machines __________(make) in Japan.
12. Apples _________ ________(grow) in this
farm.
13. Russian _______ ______ (learn)as the
second language by some students in China.
14.
Planes,cars and trains _____ _____ (use) by
business people for travelling.
15. The cinema
______ _____ (bulid) in 1985.
16. The bike ___
____ ____ ___ (must not put) here.
17. A
beautiful horse ____ ____ ___ (draw) by John next
day.
18. This kind of machine
______ _____(can made) by uncle Wang.
19. Mr.
Green ___ ___ (open) two new school.
20. The
PLA ______ ______ (found) on August 1st,1927.
21. By the time he was ten, the boy
________(learn)English and French.
22. How
long _____ your uncle ____(be) in the city?
23. ______ you ____(see) the film yet?
Yes, I _______(see) it last week.
24.
Uncle Wang ____________(live) here since 1980
25. Listen! Someone _________(sing).
26.
Tom ________(not have) breakfast yesterday
morning.
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