Unit 1 Living well Grammar动词不定式课件(41张)

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名称 Unit 1 Living well Grammar动词不定式课件(41张)
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更新时间 2018-07-26 15:05:47

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课件41张PPT。GrammarRevise the Infinitive
不定式(Infinitive)不定式由“to+动词原形”
构成,其否定形式是 “not/never to do” 1 主语 (subject)
2 表语 (predicative)
3 宾语 (object)
4 宾补 (object complement)
5 定语 (attribute)
6 状语 (adverbial)
动词不定式的
作用 Functions
of
Infinitive
动词不定式的时态和语态to doto be doneto be doingto have doneto have been
doneto have been
doing 1. 不定式作主语 (subject)To keep smiling is healthy for you.
It’s important to look up the new
words in the dictionary when you
study English.注:(1)单个不定式作主语时,谓语动词
用单数。
(2)若不定式太长,往往用it作形式
主语,不定式后置。 2. 不定式作宾语 (object)Yao Ming likes to play
basketball.
I find it necessary
(for us) to _________
if we want to get better results.句型:
think/ consider/ find it + adj./n.+ to do 几对易混淆的词组:
stop to do sth. 停下来去做某事
stop doing sth. 停止做某事
forget to do sth. 忘记去做某事
forget doing sth. 忘记已做了某事remember to do sth. 记得去做某事
remember doing sth. 记得曾经做某事 regret to do sth 对即将要发生的事抱歉
regret doing sth 对发生过的事情后悔
mean to do sth 打算做……,想要
mean doing sth 意味着,就是
try to do sth 设法……,试图……
try doing sth 试试看,试一试
go on to do 接着做(另一件事)
go on doing 继续做(同一件事)---- Did you turn off the lights before leave the computer room?
----- Oh, I forget ____ them off. I’ll
go to do it.
A. to turn B. having been turned
C. to have turned D. turning注: 不定式用在介词
but, except, besides后时, 如果这些介词前有行为动词do的各种形式, 那么介词后的不定式不带to,相反则带to。1. She could do nothing but cry.
2. I have no choice but to go.
3. What do you like to do
besides sleep?根据打油诗写出后跟动词不定式作宾语的动词:
决心学习想希望:
设法拒绝恳假装

主动答应选计划
同意要求等帮忙decide, determined, learn want, intend, expect, wish, hope, desire manage, refuse, beg, pretendoffer, promise, choose, plan agree, ask, demand,wait, hesitate, help 3. 不定式作宾补(object complement)My mum asks me to play the piano
two hours every day.引导不定式作宾补的动词:warn, tell, allow, help, ask, force等+sb. to do sthThe teacher told me to clean the blackboard.
I expect you to give me some help. 一感觉: feel 二听 listen to hear三使 let make have五看 see watch look at observe notice+ sb do sth
(不带to)但当以上的动词用于被动式,
to要还原:1. They saw the boy fall suddenly from
the tree.
The boy was seen to fall suddenly
from the tree. Mother made John wash the car for
a week. John was made to wash the car for
a week.4. 不定式作定语(attribute)1. Kate is looking for a
suitable coat to wear.
2. Tom has a nice pen
to write with.1. 不定式做定语时常放在被修饰的名词或代词之后
(a) She was very busy and had no time
to visit her friends.
(b) Ladies and gentlemen, I have
something important to tell you.不定式作定语需注意的问题2. 当名词被the first ,the last, the only
等词以及形容词最高级修饰时
eg: She is always the first to come and
the last to leave.3. something, anything, nothing, everything等复合不定代词常用不定式做后置定语。
I have something to say. 5. 如果不定式是不及物动词, 则后面需
适当的介词。
Please pass me some paper to write
____. on4. 也可用在have … to do和there be
句型中。 There is no one to take care of her.
I have no jewelry to wear.eg: He spoke loudly (so as / in order)
to be heard.
So when taking examinations, they sometimes cheat____1. 表示目的: to
in order to
so as to5.不定式作状语(adverbial)2. 表示原因:
不定式可以用在表情绪或心理活动的形容词后作状语, sorry, surprised, happy, glad, eager, angry, foolish, right, wrong, slow, quick, rude, cruel, disappointed等。eg: I’m glad / pleased to see you.
We were surprised to hear the news.so + adj. / adv. + as to do…
such + n. + adj. +as to do…
adj. / adv.+ enough + to do
too + adv. / adj. +to do
only to do He was so foolish as to believe it.
= He was such a fool as to believe it.
= He was foolish enough to believe it.
eg. He hurried to the station ,____ that the
train had left.3. 结果状语:1. prefer n. (doing) to n. (doing)
2. prefer to do sth. rather than do sth.
3. would rather do
4. 疑问词+ to do(做主语、表语、宾语)
5. advise / allow/ permit/ forbid sb. to do
advise / allow / permit/ forbid) doing
eg. ---- I advise ____ the eggs.
---- I advise you ____ fried food. It’s too oily.
It’s bad for your health.
A. frying, not eating B. to fry, not to eat
C. to fry, not eating D. frying, not to eat
固定词组和句型不定式的时态 不定式的一般式 to do
I am glad to see you.
He has decided to give her some money.
表示的动作通常与谓语所表示的动作或状态同时或者几乎同时发生,或是在它之后发生。不定式的时态I am very glad to be working with you.
He pretended to be working hard
when his boss passed him.
表示的动作通常与谓语动词表示的
动作同时发生。
不定式的进行式to be doing不定式的时态不定式的完成式 to have done He happened to have seen the film before.
The novel is believed to have been
translated into Chinese.
I am happy to have found many things
I can do, like writing and computer
programming.
不定式所表示的动作发生在谓语动作
或状态之前。【不定式的语态】主动语态 to do
被动语态 to be done
It is an honor for me
to be invited to
attend the meeting.
Everyone likes the hero
to be praised.1. Last summer I took a course on ____.
A. how to make dresses
B. how dresses be made
C. how to be made dresses
D. how dresses to be made2. Leonardo da Vinci(1452 - 1519)
_____ birds kept in cages
in order to have the pleasure
of setting them free. (2007 重庆卷)
A. is said to be buying
B. is said to have bought
C. had said to buy
D. has said to have bought3. David threatened _______ his
neighbor to the police if the
damages were not paid.(2009 上海卷)
A. to be reported
B. reporting
C. to report
D. having reported
4. John was made _____ the truck for
a week as a punishment.
A. to wash B. washing
C. wash D. to be washing1. It is good to help others.
2. It is my ambition to make sure that the disabled people in our neighborhood have access to all public buildings.
3. My ambition is to work in the computer industry when I grow up. Identify its fun_ction.(subject)(subject)(predicative)4. I don’t have time to sit around feeling sorry for myself.
5. I am the only student in my class to have a pet snake.
6. A big company has decided to buy it from me.
7. My fellow students have begun to accept me for who I am. (attribute)(attribute)(object)(object)8. I have had to work hard to live a normal life.
9. Some days I am too tired to get out of bed.
10. We must call on local government to give financial assistance to disabled people. (adverbial)(adverbial)(object complement)1. Last summer I took a course on ____.
A. how to make dresses
B. how dresses be made
C. how to be made dresses
D. how dresses to be made课堂练兵2. His first book ____ next month is based
on a true story.
A. published B. to be published
C. to publish D. being published
3. ______ late in the morning, Bob turned
off the alarm.
A. To sleep B. Sleeping
C. Sleep D. Having slept
4. John was made _____ the truck for
a week as a punishment.
A. to wash B. washing
C. wash D. to be washing5. Tom kept quiet about the accident
__ lose his job.
A. so not as to B. so as not to
C. so as to not D. not so as to
6. The patient was warned _____ oily
food after the operation.
A. to eat not B. eating not
C. not to eat D. not eating Homework
1. Revise the fun_ction of the infinitive.
2. Finish the exercises about the use of the infinitive.Thank you.