(共24张PPT)
Unit 2
Grammar
a. I’m going to the supermarket this afternoon.
Do you have anything _____ ?
A. to be buying B. to be bought
C. for buying D. bought
b. There are five pairs _____, but I’m at a loss
which to buy.
A. to be chosen B. for choosing
C. to choose D. to choose from
B
Note:作定语的不定式如果是不及物动词,且不定式所修饰的词是不定式动作的承受者,不定式后须有相应的介词
D
He is looking for a room to live in.
There is nothing to worry about.
Please give me a knife to cut with.
a. ----Can the project be finished as planned?
---- Sure, _____ it completed in time, we’ll work two more hours a day.
A. having got B. to get
C. getting D. get
b. The news reporters hurried to the airport, only _____ the film stars had left.
A. to tell B. to be told
C. telling D. told
c. You were silly not _____ your car.
A. to lock B. to have locked
C. locking D. having locked
B
B
B
不定式的否定与省略
The purpose of new technology is to make life easier, _____ it more difficult.
A. not make B. not to make
C. not making D. do not make
2. The boy wanted to ride his bicycle in the street, but his mother told him _____ .
A. not to B. not to do
C. not do it D. do not to
Note:1. 不定式的否定式not/ never + to do
2. 为了避免重复,常用to代替动词不定式
B
A
She wants to come, but her parents won‘t allow her to.
Don’t touch anything unless your teacher tells you to.
We asked him to stay till the next day, but he refused to.
Are you a teacher? Yes, and I have to be.
--- Have you finished your homework? ---No.
--- You ought to have yesterday.
What we want to do now is lie down and have a good rest.
I didn’t say anything but to make a gesture.
I have nothing to do but go home.
can’t choose but / can’t help but / can’t but + do sth
1.The robot was going to ____________ by Larry’s wife, Claire.
be tested out
2. The robot wouldn’t harm her or allow her _____________.
to be harmed
3. Claire thought it was ridiculous _____________ sympathy by a robot.
to be offered
4. Tony expected the house ___________________________.
to be completely transformed
5. What a sweet victory ______________ by those women!
to be envied
6. But even though Tony had been so clever,he would have to ___________.
be rebuilt
7. How awful ______________ by her.
to be discovered
Practice
1 Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost three times the number hired last year, ______ reduce unemployment pressures.
A help B to have
C to help D having helped
2 The children all turned ____ the famous actress as she entered the classroom.
A looked at B to look at
C to looking at D look at
C
B
3 We are invited to a party ______ in our club next Friday.
A to be held B held
C being held D holding
4 ______, you need to give all you have and try your best.
A Being a winner B To be a winner
C Be a winner D Having been a winner
5. The play ______ next month aims mainly to reflect the local culture.
A produced B being produced
C to be produced D having been produced
A
B
C
6 ______ the project in time, the staff were working at weekends.
A Completing B Having completing
C To have completed D To complete
7 Nowadays people sometimes separated their waste to make it easier for it ______.
A reusing B reused
C reuses D to be reused
D
D
8.----Mum, why do you always make me eat an egg every day?
----_____ enough protein and nutrition as you are growing.
A. Get B. Getting
C. To get D. To be
9. Robert is said _____ abroad, but I don’t know what country he studied in.
A. to have studied B. to study
C. to be studying D. to have been studying
C
A
10. She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live.
A. to have played B. to play
C. to be played D. to be playing
11. The question _____ next year has something important to do with our daily life.
A. to discuss B. discussed
C. being discussed D. to be discussed
12 I like getting up very early on summer. The morning air is so good _____.
A. to be breathed B. to breathe
C. breathing D. being breathed
B
D
B
She hates to be laughed at.
2. I am expecting to be given a pay-rise next month.
others laugh at her ;
she is laughed at by others.
give me a pay rise;
I will be given a pay rise.
3. I am fortunate. He gives me a lot of help.
4. I am fortunate. He has given me a lot of help.
I am fortunate to be given a lot of help.
I am fortunate to have been given a lot of help.
be to + passive infinitive (to be + past participle) is often used in notices and instructions.
This cover is not to be removed.
The medicine is to be taken three times a day.
E.g.
Rewrite the sentences by
using the passive infinitive
I did not expect that I would be interviewed by the
general manager.
I did not expect _________________________________.
2. Nobody is allowed to take the magazines out of the
reading room.
The magazines___________________________________.
3. Her classmates laugh at her and she hates it.
She hates _______________________________________.
4. Sometimes the guests would interrupt his writing.
He doesn’t want __________________________________.
to be interviewed by the general manager
are not allowed to be taken out of the
reading room (by anybody)
to be laughed at by her classmates
to be interrupted by the guests while writing
his writing to be interrupted by the guests
5. These are the issues that we will discuss tomorrow.
These are the issues _____________________________.
6. The boss shouldn’t make him work all night. He is too
tired.
It is wrong for him ______________________________.
7. Mr Smith is going to write some short stories.
Some short stories _______________________________.
8. She is very glad because her friends have given her so
much help.
She is very glad ________________________________
by her friends.
to be discussed tomorrow
to be made to work all night
are going to be written by Mr Smith
to have been given so much help
主动语态
一般式表示不定式的动作与谓语动作(几乎)同时发生,或发生在谓语动作之后.
A. They pretended not to see us.
B. He ordered the bridge to be built within the month.
一般被动式表示不定式动作的逻辑主语是不定式动作的________, 又表示其动作与谓语动词的动作__________或在______发生.
承受者
同时发生
其后
特点:
特点:
不定式的一般式:
主动语态
完成式表示不定式的动作发生在谓语动作之前.
A. She pretended to have known it before.
B. She was glad to have been given so much help. within the month.
完成被动式表示不定式动作的逻辑主语是不定式动作的________, 又表示其动作发生在谓语动词的动作之____.
承受者
前
特点:
特点:
不定式的完成式:
不定式在名词后面作定语, 不定式和名词之间有动宾关系, 又和句中另一名词或代词构成主谓关系时, 不定式的主动形式表示被动含义.
He has a lot of homework to do.
I have something to do this afternoon.
I’ll go to the post office. Do you have a letter to be posted?
( 此处用不定式的被动语态作定语表明 you 不是 post 动作的执行者。)
1.
compare:
主动形式表示被动意义
在某些“形容词+不定式”做表语或宾语补足语的结构中,句子的主语或宾语又是动词不定式的逻辑宾语时,这时常用不定式的主动形式表达被动意义。
这些形容词有:nice, easy, fit, hard, difficult, important, impossible, pleasant, interesting 等。
This problem is difficult to work out .
(可看作 to work out 省略了 for me).
2.
4.在“with + n + to do”结构中。 With nothing to do,he lay in bed. With so many exercises to do,I can‘t go to the cinema.
With a lot of problems to settle, the newly-elected president is having a hard time.
Translate the following
1、被邀请参加晚会他感到很荣幸。
2、据说他的小说已经被译成了英语。
3、这位记者匆忙赶到酒店,只是被告知那位明星已经
离开了。
4、简是第一位被选担任这个位置的妇女。
He thought it an honour to have been invited to the party.
His novel is said to have been translated into English.
The reporter hurried to the hotel, only to be told the star
had already left
Jane is the first woman to have been elected to the post.
1. She usually has a lot of meetings to be attended.
2. He worked hard to be caught up with the other students.
3. The purpose of the organization is to have been greeted
all newcomers to the city and to provide them with any
necessary information.
4. Do let your mother know all the truth, although she
appears to be told everything.
单句改错。
be attended → attend 2. be caught → catch
3. have been greeted → greet 4. be → have been