Module 4 Sandstorms in Asia Grammar 不定式课件（29张PPT）

课件29张PPT。1专业课件，值得借鉴！1Lead in
Jim: I’m holding a party next week .
Would you like _______(come)?
Module 4 Grammar
Infinitive
1.不定式的时态与语态
2.不定式的用法
1)?不定式的一般时 不定式的一般式所表示的动作通常与主要谓语的动作同时或几乎同时发生，或是在它之后发生。
eg. We hope __________ (know) the truth.Infinitiveto know1. He seems to know this.
2. I expect to hear from you soon.
3. I must shout loudly to be heard2)?不定式的进行时? 不定式的进行时表示正在进行的与谓语动词同时发生的动作。 eg. Look! He seems____________ (eat) something . to be eating The boy pretended to be listening when the teacher looked at him. 3) 不定式的完成时
不定式的完成时所表示的动作在谓语所表示的动作之前发生。 eg. You are so beautiful ! I seem
___________(see) you before.to have seen1.I am sorry to have kept you waiting
so long.
2.She seemed to have been told the bad news.to doto be doneto be doingto have doneto have been done 由not+不定式构成
eg.Try not to be late again next time.动词不定式的否定1. To master a foreign language is necessary for a student.
2. It is necessary for a student to master a foreign language.作主语(Subject)
(常用it做形式主语，不定式后置)It’s kind of you to lend me such a beautiful necklace.
2.It’s important for us to master a foreign language. 此结构中的形容词说明句中行为动词的特征 此结构中的形容词说明逻辑主语的特征It is + adj. + of sb. to do
It is + adj. + for sb. to doeg.1.Your job is to wash dishes.
2All I did was (to) give him some advice.2. 作表语(Predicative)当作表语的不定式解释主语中do的意义时，to可以省略。eg. She promised to give him a chance.3. 作宾语(Object)三个希望两答应（hope、wish、want、agree、promise）
两个要求莫拒绝( )
设法学会做决定(manage 、 learn 、 decide)
不要假装再选择( )demand、ask、refusepretend、choosethink/find/consider/make+it+adj./n.+to do 动词不定式作宾语的注意事项（ⅰ） 不定式作宾语时，如带有宾语补足语，则要把不定式放到后面，用it作形式宾语，构成“主语+动词+it+宾补（形容词、名词）+不定式”结构。 eg.I found it necessary to talk to him.
I made it a habit to learn English.
4. 作宾语补足语(Object complement) eg.The teacher told his students________ (pay)more attention to their study.
I warn you _________ (sleep) in my lesson . ask, tell, order, get, invite, force, permit, cause, forbid, allow, wish, want, expect, encourage, advise, persuade, warn, would like等动词可以接带to的不定式作宾补。to paynot to sleep 1I never made my child stay in the house all day.
Have him come in, please.
I heard her say that she’d like to go to the concert.五看 三使 二听一感觉:feel ☆不定式作宾补省去 to 的情况
(在被动语态中则to 不能省掉)help 可带to，也可不带to
help sb (to) do sthhear listen to
let
make
havesee
watch
look at
notice
observe5.作定语（Attributive）需后置She was the first girl to work out the problem.
2.He has an important meeting to attend.
3.He keeps his promise to write to us regularly.(the first/second…last(n.)后用
动词不定式作定语)
eg .I came here to see you.
We were very excited to find nobody there.
He hurried to the school only to find nobody there.

To look at him, you would like him.目的(purpose)原因(cause)(表示意料之外的结果常与only、never连用)条件(condition)6.作状语(Adverbial)
结果(result) 疑问词+不定式 的复合结构When to start has not been decided yet.
2.The problem is how to persuade him to change his mind.
3. We must learn what to do in face of difficulties.
主语(subject)表语(predicative)宾语(object)
eg. He does nothing but play all day.
He has no other choice but to obey.

but+不定式的用法1.不定式在介词 but后面时, 如果but之前
有行为动词do (非助动词)的各种形式时,
那么其后面的不定式省to,否则带to。
2.can’t but, can’t choose but, can’t help but, 之后不定式省略to，相当于have toeg. I can’t help but love her.
I can’t choose but speak the truth.专业课件，值得借鉴！1Exercises11.The will to live helps a patient ______.
A. to recover B. to die
C. recovering D. dying
2.Life is ______ short to waste.
A. to B. too C. two D. twice
3.It’s not good ______ a man to be alone.
A. to B. of C. for D. with
4.They haven’t decided _____to go.
A. where B. what
C. whatever D.weather
ABCA15.They don’t allow these books _____ out of the reading room.
A. to take B. to be taken
C. to bring D. to be brought
6.There’s no choice but _____ till it stops raining.
A. wait B. waiting C. waited D. to wait
7.The pickpocket was observed ____ the man’s wallet.
A. take B. taken C. took D. to takeBDD11.______（sleep）late in the morning,
Bob turned off the alarm.
2.Robert is said __________ (go) abroad, but I don’t know which country he lived in.
3.I have worked with children before, so I
know what _______(expect) in my new job.
4.I have got something important______(do).
5.Mary is said ___________ (design) a new computer programme recently, but I don’t
Know when she will finish it.
To sleepto have goneto expectto doto be designing Correction
1.Our headteacher often told us not swim in
the river.
2.Tom kept quiet about the accident so not as to lose his job.
3.She pretended not seeing me when I passed by.
4.Our teachers won’t allow to cheat in the exam.
5.The boss made her to cut a dress out of some of old materials.︿
tonot as — as notseeing—to seeto cheat—cheating去to1It is difficult for me ________________
（使我的梦想成真）My dream is ___________________
（成为一名大学生） I hope____________________________
(被重点大学录取) ______________ (为了实现我的梦想) ,I must study hard.__________________________ . (除了学习我别无选择)to be admitted into a key university. to be a college student.to make my dream come true.To realize my dream I can not choose but study1Summary and Homework

1.Finish the exercises in your book.
2.Preview the passage “Sandstorms
in Asia”.