初中英语动词不定式复习ppt课件.ppt

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1、采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物RevisionThe infinitive动词不定式动词不定式采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 定义：不定式的构成是定义：不定式的构成是to+to+动词原形动词原形，当然，当然toto有有时也可以省略时也可以省略。动词不定式没有人称和数的变。动词不定式没有人称和数的变化，化，可以担当除谓语外的任何句子成分。可以担当除谓语外的任何句子成分。构成：构成：to +

2、do(动词原形动词原形)采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物用法：用法：1、用作宾语用作宾语 (v. + to do )e.g: I want to buy a computer. She hopes to find a better job. I wish to go with you. I found it difficult to fall asleep.我发现很难入睡。我发现很难入睡。 need to do learn to doagree to do stop to doplan to

3、do decide to do go on to do try to do begin to do start to do refuse to do like to doforget to do remember to do采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物2. 用作宾语补足语：用作宾语补足语：(v. + sb. + to do )She asked me to help her.The teacher told him to come on time.Edisons mother taught

4、 him to read and write. want sb to dowish sb to do get sb to doorder sb to do find sb to be like sb to do would like sb to dohelp sb to do采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物一感:feel 三让 let make have 二听 listen to hear四看 watch see look at notice宾语补足语不带宾语补足语不带to 的情况的情况：采用

5、PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Let me do it.I saw him cross the street.比较：比较：I heard her singing in the next room.I heard her sing in the next room.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3. 用作状语用作状语(adverbial)：He came to show me his new C

6、D player.I went there to see my teacher. She came back to get her English book.The boy was too frightened to move.(目的)(目的)(目的)（结果）（结果）采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 It与不定式：动词不定式可以做主语，但如果与不定式：动词不定式可以做主语，但如果动词不定式太长，显得动词不定式太长，显得头重脚轻头重脚轻的，那么我们的，那么我们就就可用形式主语可用形式主语it代替

7、代替，而把真正主语，而把真正主语(即不定即不定式式)放于句尾。放于句尾。 e.g: It is not difficult for me to study English well. 对我来说学好英语不难。对我来说学好英语不难。4.4.用作主语用作主语采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1. To go abroad is his dream.2. To say is easy, to do is difficult.（不定式作主语时可将其用形式主语（不定式作主语时可将其用形式主语it来替换）来替

8、换）It is his dream to go abroad.It is easy to say, it is difficult to do.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物5.用作表语用作表语His work is to feed the animals.Her job is to look after the patients.My dream is to be a scientist.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口

9、面的圆度，保持熔接部位干净无污物6.用作定语用作定语Give me something to drink.I have two books to read.They have much food to eat.（这时不定式与被修饰词有动宾关系。这时不定式与被修饰词有动宾关系。若是不及物动词，若是不及物动词，介词介词不能省略不能省略）He asked for a room to live in.I dont have a pen to write with.The ice is hard enough to skate on.He bought a toy to play with.采用PP管及

10、配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物7.疑问词疑问词who, what, which, where, when, how加加to do可构成可构成不定式短语不定式短语，在句中可用作主语、，在句中可用作主语、宾语、宾语补足语、表语等。宾语、宾语补足语、表语等。When to start has not been decided.I dont know what to do.He can tell you where to get the book.The question is who(m) to ask.(主

11、语主语)(宾语宾语)(宾补宾补)(表语表语)I dont know how to use a computer.(宾语宾语)采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物注意：注意：在与在与whywhy连用时，只用于连用时，只用于whywhy或或why notwhy not开头开头的简短疑问句中，后面紧跟的动词不定式不的简短疑问句中，后面紧跟的动词不定式不带带toto。 Why not have a rest?Why not have a rest?采用PP管及配件：根据给水设计图配置好PP管及配件，用管件

12、在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物too.to 太太 . 以致于不能以致于不能.enough to 足以足以.The box is too heavy for me to lift.这个箱子太沉了，我提不动。He is old enough to go to school.他到上学的年龄了。 特殊用法特殊用法采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1、would rather，had better后。后。e g: You had better stay at

13、home.2、Why. / Why not.后。后。e.g：Why not have a good rest on Sunday? 为为什么星期天不好好休息一下呢什么星期天不好好休息一下呢? 3 3、使役动词使役动词 let, have, make 等后接不定等后接不定e.g: Let him go! 让他走让他走! 不定式不定式省省toto有四种情况：有四种情况： 宁愿；宁可采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4、感官动词感官动词: see, watch, look at, hear, list

14、en to, smell, feel, find 等后作宾补，省等后作宾补，省to。如：如：I saw him dance. 我看见他跳舞。我看见他跳舞。（其中（其中help的的to可省可不省）可省可不省）e.g: Let me do it.e.g: I saw him cross the street.比较：比较： I heard her singing in the next room.（强调正在）（强调正在） I heard her sing in the next room.（强调全过程）（强调全过程）采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪

15、边旋转，以保证切口面的圆度，保持熔接部位干净无污物注意注意：这些情况在被动句中可千万不可省这些情况在被动句中可千万不可省to to 哟！哟！ （被动语态中被动语态中，“to”to”要还原要还原）e.g:The boss made them work the whole night. =变成被动句：They were made to work the whole night. 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物根据句意, 用括号内所给动词的适当形式填空。 1. Its time for us (h

16、ave) supper 2. Would you like _ (go) shopping with me？ 3. It took us half an hour _ (work) out the problem to have 主语to go 宾语to work 主语采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4. He is old enough _ (join) the army 5. I am very glad _ (meet) you here6.They prefer _ (stay) at

17、 home rather than go outto join 结果状语to meet 形容词补足语(原)to stay 宾语to say 定语7. Have you got anything _ (say)? 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物8. We saw them_ (come) into the room just now 9. I am sorryI forgot_ (tell) you the news 10. His plan is _ (spend) a few days i

18、n the mountains11. Do you know when_ (start)？ come 宾补to tell 宾语to spend 表语to start 不定式短语作宾语采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物12. He is too weak _ (carry) the big stone13. Mr Black asked the man_ (not jump) the queue.14. Your father is sleeping. Youd better _ (not wak

19、e)him up. to carry 结果状语not to jumpnot wake 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 Game: make up a saying Look for the old so as to learn the new! for ,the, look , so , as , learn, new, the , to ,old !温故而知新温故而知新!以便；以致采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Hi, relax yourself!