资料简介
动词不定式
The infinitive动词不定式知识衔接
动词种类速记口诀：
英语动词分四种，行为连系助动情。
动作状态为行动，充当谓语有作用；
连系动词有意义，不能独立作谓语，
须与表语在一起，常用look/become/be
助动词无意义，不能独立作谓语，
时态、疑问和否定，do，be，will最常用
情态动词must，can，may，表示语气和情态，
人称与数无变化，动词原形跟着它。动词不定式考纲要求
1 掌握动词不定式的肯定式和否定式的构成形式；
2 掌握不定式作宾语、宾补、主语、表语的用法；
3 了解不定式作定语、状语的用法；
4 熟记一些常用动词不定式作宾语的动词，如
decide, fail, refuse, manage, choose, hope,
agree, plan, intend, pretend, promise, offer,
afford, demand。动词不定式考纲要求
5.
掌握动词不定式在某些动词后作宾补时省去to的
用法。在主动结构中，“四看”（see，watch，
notice，observe）、“三使”（make，let，
have）、“两听”（hear，listen
to）、“一感觉”（feel）后+宾语+不带to的不
定式。但是这些省去的to在变成被动语态后需加
上to。6. 作定语(后置）
动词不定式做定语放在所修饰的名词 、代词的后面。
eg：He is the first person to sail around the world.
I have a lot of work to do．
The doctor said he could do nothing to help
the boy．
提示：如果动词不定式和前面所修饰的词构成动宾关系，
且动词是不及物动词，切记不要忘掉后面的介词。如：
I have a small bedroom to live in．
Have you got some pens to write with？
返回练一练：
1.I have something _______ ﹙要说﹚.
2.She has a lot of work _______﹙做﹚every
day .
3. The old man has a house _______ ﹙住
﹚.
4. She is a nice person__________ ﹙谈话﹚ .
to say
to do
to live in
to talk with7. 疑问词who, what, which, where, when,
how 加to do可构成不定式短语, 在句中可用
作主语、宾语、宾语补足语、表语等。
When to start has not been decided. (主语)
I don’t know what to do. (宾语)
He can tell you where to get the book.
(宾语补足语)
The question is who(m) to ask. (表语)7. 疑问词+ to do 构成短语
We don’t know when to leave Beijing.
Can you show me how to swim.
He didn’t tell me when to leave.练一练：
1.Joe is teaching Alice ______the chair.
A.how mend
B. how mending
C. how to mend
2. I don’t know what________ (do) next.
3. Could you tell me when __________ (have)
dinner?
C
to do
to have ①find it+adj+to do
=find (that) it is… to do.
②think it…to do…
=think (that) it is adj+to do sth.
I found it easy to learn English.
=I found it is easy to learn English.
Exercise:
I felt it hard ______(give) up
______(smoke)
不定式重点句式③It’s time to do sth.是该做某事的时候了。
④It’s one’s duty to do sth做某事是某人的责任
⑤It’s one’s turn to do sth 轮到某人做某事
⑥Take turns to do sth.轮流做某事
⑦It takes sb some time to do sth花费某人一些时间
做某事
⑧ It costs sb some money to do sth花费某人一些金
钱做某事③轮流做某事
④花费某人一些时间做某事
⑤花费某人一些金钱做某事
⑥是该做某事的时候了。
⑦做某事是某人的责任
⑧ 轮到某人做某事练一练：
1.It cost me 5 yuan _____ (buy) the book
yesterday.
2.It will take him 8 minutes ____ (get) there.
3.We take turns ____ (clean) the classroom.
4. It’s already time _____ (stop)
_________(discuss)
5. It’s my duty __________ (protect) you
to buy
to get
to clean
to stop
discussing
to protect特殊用法：
1. 只能跟ing 的动词：
• finish（完成）, enjoy(乐意), mind（介意）,
keep(on)（继续）, practise（练习）,
feel like（喜欢）, be busy doing（忙于），
give up（放弃）,
look forward to doing（盼望）,
can’t help doing（禁不住）,
be used to doing（习惯于…）练一练：
1. She needs some paper to _____ .
A.write B.write in C.write with D.write on
2.Give me a pen _______.
A. write B. to write
C. write with D. to write with
3. ---Shopping with me?
---Sorry. I have a lot of clothes ____ .
A.washed B.wash C.to wash D.to be washed
D
D
C 练一练：
1.I can’t help _____ (cry) .
2. He didn’t finish ____ (do) homework.
3. Would you mind ____ (close) the
window.
4. Every day Mary practice ____(speak)
English.
练一练：
5. Kangkang is busy _____ (watch) TV
now.
6. I look forward to ___ (hear) from you.
7. They keep ____ (play) basketball.
8. My sister feels like ______ (eat) ice
cream.1.forget/remember to do sth(没做过此事)
forget/remember doing sth(已做过此事)
Eg.I will never forget writing to you when I
was 12 years old.
I’m sorry I forgot to see you off this
morning.1. 我永远忘不了初次寄信的情景。
I‘ll never forget _______ （post）a letter for
the first time.
2. 她忘记寄这封信了。
She forgot ________(post) the letter.
3. I remember __________ ( see )her once.
4. Remember ____________ （phone）me.
posting
to post
seeing
to phone2.stop /go on to do 与stop/go on doing ：
stop to do 停下其它的事情，去做不定式的动作。
We are so tired. Let’s stop to have a rest.
我们太累了，让我们停下来休息一会儿吧。
stop doing是指停下来正在做的事情
The students stopped talking when the teacher
came in.
1.She reached the top of the hill and stopped
____on a big rock by the side of the path.
A. resting B. to rest C. rest
2. It’s time for class ,please stop
________(talk)
3. He stopped _______(say)hello to me when
he saw me.
4. It’s too late, let’s stop_________(work)
5. He stopped________(cry) when seeing his
mother.
C
talking
to say
working
crying• 3. try to do 尽力做某事
try doing ：试着做某事
她设法打电话找你。
She tried to get you on the phone
她试着写作文。
She tried writing a compositionExercises
1. -- You’ve done very well this time.
-- It’s really kind ______.
A. for you to say so B. for you saying so
C. of you to say so D. of you saying so
2. It is better to lose one’s life than ____.
A. if you lose your spirit
B. losing his spirit
C. to lose one’s spirit
D. your spirit getting lost
C
C3. – I can’t work in this way.
-- Why not ____ it in some other way?
A. try to do B. try doing
C. trying to do D. trying doing
4. Since you find it difficult ____ a decision,
you’d better a discussion( 讨论) with your
parents.
A. reach; have B. reaching; have
C. reach; having D. to reach; have
B
D5. My father hates(痛恨) ___. He never allows me
_____.
A. to smoke; to smoke
B. smoking; smoking
C. smoke; smoking
D. smoking; to smoke
6. The girl was beginning ___.
A. get angry B. to get angry
C. getting angry D. angry
D
B7. There isn’t any difference between the two.
I really don’t know ________.
A. where to choose B. which to choose
C. what to choose D. to choose which
8. The bag is too heavy for me _______.
A. to carry it B. not to carry it
C. to carry D. not to carry
9. The teacher will teach him _______.
A. to use B. use it
C. how to use it D. uses
B
C
C
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