(共31张PPT)
2021-2022学年
被动语态复习
Alex
初中时态(Tense)
一般现在
am/is/are; do/does
一般过去
was/were;did
一般将来
will do/be going to do
现在进行
am/is/are doing
过去进行
was/were doing
现在完成
have/has done
初中语态(Voice )
主动
被动
什么情况下使用被动语态?
The cake was eaten by someone.
① 不知道是谁干的
什么情况下使用被动语态?
The laws should be made to protect the wildlife.
② 强调宾语
by many students.
主动语态变被动语态的方法
1.Many students study English.
English
is studied
① 找主谓宾
② 主宾互换位置
③ 修改动词形式
(注意原句时态)
They make shoes in that factory.
Shoes
are made
by them
in that factory.
一般现在时的被动语态结构:
is/are+过去分词
is/are+过去分词
They bought a computer last term.
by them last term.
一般过去时的被动语态结构:
was/were +过去分词
A computer
was bought
一般将来时的被动语态结构:
be going to be/will be+过去分词
1.They will finish the work in ten days.
by them in ten days.
The work
will be finished
2.Tom is going to clean the room tomorrow.
The room
is going to be cleaned
by Tom tomorrow.
含有情态动词的被动语态结构:
can/may/must/should + be+过去分词
You should drink more water.
More water
should be drunk
by you.
现在进行时的被动语态的结构
is / am / are + being +过去分词
Some workers are painting the rooms now.
by some workers now.
The rooms
are being painted
过去进行时的被动语态的结构
was / were + being +过去分词
现在完成时的被动语态的结构
have / has +been +过去分词
We have found a key.
by us.
A key
has been found
一般现在时:
一般过去时:
一般将来时:
情态动词:
am/is /are + done
情态动词+be+done
will + be + done
was/were + done
不同时态的被动语态构成
Summary
现在完成时:
has / have + been + done
Task 4
We think him crazy.
→ He was thought crazy by us.
几种不同类型的被动语态
① 复合宾语
We saw him fight against bad guys.
→ He was seen to fight against bad guys.
几种不同类型的被动语态
① 复合宾语
【考点】省略to的不定式,变被动,to还原
make sb. do
let sb. do
see sb. do
hear sb. do
watch sb. do
sb be made to do sb
sb be let to do
sb be seen to do
sb be heard to do
sb be watched to do
主动
被动
He gave me a book.
→ I was given a book by him.
→ A book was given to me by Tom.
几种不同类型的被动语态
② 双宾语
【考点】注意介词
give sb. sth.
pass sb. sth.
sell sb. sth.
lend sb. sth.
bring sb. sth.
make sb. sth.
buy sb. sth.
Sth be given to sb.
Sth. be passed to sb.
Sth. be sold to sb.
Sth. be lent to sb.
Sth. be brought to sb.
Sth. be made for sb.
Sth. be bought for sb.
主动
被动
Exercises:
主动变被动
He designed that CD-ROM last month.
2.They built the museum in 1960.
That CD-ROM was designed by him
last month.
The museum was built by them in 1960.
被动变主动
1.He was sent to the hospital by us just now.
2.Many trees are planted by people every year.
We sent him to the hospital just now.
People plant many trees every year.
1、read, sell, wash, write等动词,用来说明主语的性质特征,用主动形式表达被动意义, 常与not, hardly, well, easily, badly, 等副词连用。如:
The door doesn’t open easily.
Bikes of that kind hardly sell.
The book sells well.
主表被
2、 need, want, require等动词,主动形式表被动含义
need/want/require doing
= need/want/require to be done
be worth doing sth.
This dictionary is well worth buying.
3、easy, difficult, hard, heavy等形容词跟动词不定式, 该不定式与句子的主语须具备逻辑上的动宾关系。如:
The box is heavy to carry.
被动形式表示主动意义的情况:
Be seated , please.
She is dressed in a red skirt.
He was lost in computer games.
We are prepared to accept his invitation.
只有及物动词才能有被动语态。
连系动词不能用于被动语态。(seem, look, become, get, grow, turn, remain, stay等)
表示度量的动词不能用于被动语态。(weigh)
某些短语动词用作不及物动词也不能用于被动语态
(take place, set out, come true, break out, come down, belong to )
表示某些状态的及物动词如fit, cost 也不能用于被动语态
注意
用括号内所给动词的正确形式填空
1.The bridge______________(build)two months ago.
2.Which language _______the most widely_______(speak)in the world?
3.Last year a large number of trees______________(cut)down.
4. Vegetables, eggs and fruits_________ (sell) in this shop.
5. The room _____________ (clean) by me every day.
6. This kind of shoes __________ (sell) well.
7. The food _____________ (smell) delicious.
8. Look! Someone __________(dance).
was built
is spoken
were cut
are sold
is cleaned
sells
smells
is dancing
小试牛刀
1.The girl _______ at the party last night.
A heard to sing B was heard to sing
C heard sing D was heard sing
2. The accident ____on the morning of
Christmas Day.
A happened B was happened
C was happening D is happened
3. The letter is ___ in French. I can't read it.
A writing B written C wrote D writes
4. Lily was made _____ in the room the whole
afternoon.
A study B to study C studies D studying
5. Our teacher often says the old should ____.
A be spoken politely B be spoken to politely
C be spoken polite D be spoken to polite
6. Many boys and girls are made______ what they're
not ____.
A to do;interested B to do;interested in
C do;interested in D doing;interested
7. The dress ____ smooth and soft.
A felt B feels C is felt D is feeling
要点回顾
1.在被动语态的时态中,be动词随时态变化,过去分词不变。
2. 语态题解题技巧(三步走):
1)语态:分析主语和谓语的主被动关系
2)时态:标志词(时间状语、动词)、结合语境
3)主谓一致:分析主语的单复数
3. 熟练掌握主动表被动及不能使用被动的情况。
Thank you!