九年级下第八课.ppt

Lesson 8 Unit ReviewFunctions: making suggestions用于征求别人的意见和建议，询问消息和情况的句子有：用于征求别人的意见和建议，询问消息和情况的句子有： What/How about ? Can/Could you ? Would you like/love? Lets, shall we? Which do you like better, A or B? Shall we ? Will/Would you please ? Do/Would you mind doing/if I ? Why not ? Why dont you ?Structures:learn/know by heart(be) related to a set number of in the middle offill in the blanksboth and decide to do Make sentences using the following structures and expressions:learn/know by heart(be) related to a set number of in the middle offill in the blanksboth and decide to do Grammar:Infinitives动词不定式动词不定式 Infinitives动词不定式的基本形式动词不定式的基本形式l to + to + 动词原形动词原形 l 有时可以不带有时可以不带to(to(秃头不定式）秃头不定式）动词不定式的否定形式动词不定式的否定形式not/never + to donot/never + to donot/never + donot/never + do动词不定式的否定形式动词不定式的否定形式 Zhang Ming asked me not to stay at home all day. My mother let me not do it by myself.不定式的逻辑主语不定式的逻辑主语 Its good for you to do morning exercises. The question is too difficult for us to answer. Its too dark for me to see anything in the room. Its very kind of you to think of the others.如果要说明不定式表示的动作是谁做的，可以如果要说明不定式表示的动作是谁做的，可以在不定式前加一个在不定式前加一个for(of)引起的短语。介词引起的短语。介词for(of)的宾语叫不定式的逻辑主语。的宾语叫不定式的逻辑主语。动词动词不定式是不定式是非非谓语动词谓语动词的一的一种种，它它没没有人有人称称和和数数的的变变化，在句子中不能化，在句子中不能独独立作立作谓语谓语，动词动词不定式具有不定式具有名名词词，形容形容词词和和副副词词的特征，的特征，它它也仍保持也仍保持动动词词的特点，的特点，它它可以有自己的可以有自己的宾语宾语和和状状语语。这种带宾语这种带宾语或或状语状语的不定式的不定式结构结构称为称为“不定式短不定式短语语”。 定义定义1. 作主语2. 作宾语作宾语3. 作宾语补足语作宾语补足语4. 作定语作定语5. 作状语作状语6. 作表语作表语7. 与疑问词等连用与疑问词等连用请你思考：动词不定式在句子中可以作什么请你思考：动词不定式在句子中可以作什么 成分？成分？三三. . 用法用法/ /功能功能To see is to believe.Its exciting to surf on the Internet.(1). (1). 作主语作主语作主语的不定式如果很短，通常位于句首；作主语的不定式如果很短，通常位于句首；若不定式（短语）较长时，常用若不定式（短语）较长时，常用itit作作形式形式主语主语，而把真正的主语（即动词不定式），而把真正的主语（即动词不定式）放在后面以避免头重脚轻。放在后面以避免头重脚轻。I want to go home.The workers decided to get better pay.I found it necessary to talk to him again.(2) 宾语宾语常用动词不定式作宾语的动词有：常用动词不定式作宾语的动词有：want, hope, wish, refuse, learn, want, hope, wish, refuse, learn, would like, choose, decide, agree, would like, choose, decide, agree, pretend, expect, plan pretend, expect, plan He found it very difficult to get to sleep. 不定式作宾语时，如带有宾语补足不定式作宾语时，如带有宾语补足语，则要把不定式放到后面，用语，则要把不定式放到后面，用it作作形式宾语形式宾语，构成，构成“主语主语+动词动词+it+宾补（形容词、名词）宾补（形容词、名词）+不定不定式式”结构。结构。The teacher told me to clean the blackboard.I expect you to give me some help.He often helps me (to) repair my bike.(3). 宾补宾补常用动词不定式作宾补的动词有：常用动词不定式作宾补的动词有：tell, tell, ask, want, warn, wish, allow, ask, want, warn, wish, allow, encourage, expect, teach, help encourage, expect, teach, help The boss makes them work 15 hours a day.I saw the accident happen yesterday.He was made to do his work (by me).五看五看 watch see look at observe notice三三使使 let make have 二听二听 listen to hear一感觉一感觉: feel感官动词感官动词和和使役动词使役动词等后接不定式作宾补等后接不定式作宾补时，需省时，需省to。但在被动语态中要。但在被动语态中要还帽子还帽子。I have something to say.He has a lot of homework to do .He is looking for a room to live in .There is nothing to worry about.(4). 定定语语动词不定式若在句中作定语，常放在被修动词不定式若在句中作定语，常放在被修饰的名词或代词后。如果不定式中的动词饰的名词或代词后。如果不定式中的动词是不及物动词是不及物动词,则要带上与之搭配的介词，则要带上与之搭配的介词，构成构成及物动词短语及物动词短语。He got up early to catch the train.Lets stop to have a rest.Im very happy to see you.Hes too young to go to school.She is old enough to dress herself.(5) 状语状语动词不定式作状语主要用来表示目的，动词不定式作状语主要用来表示目的，原因，或结果等。原因，或结果等。My job to help the patient.Your task to clean the classroom.isis(6). (6). 表语表语 不定式可以放在不定式可以放在bebe动词后，形成表语。动词后，形成表语。(7) 与疑问词连用与疑问词连用 不定式与疑问词不定式与疑问词who, which, when, how, what who, which, when, how, what 等连用，形成带疑问词的不定式。在句中起名等连用，形成带疑问词的不定式。在句中起名 词作用，可充当主语、表语、宾语等。词作用，可充当主语、表语、宾语等。He didnt know what to say. (. (宾语宾语) ) How to solve the problem is very important.( (主语主语) ) My question is when to start. (. (表语表语) )在与在与whywhy连用时，只用于连用时，只用于whywhy或或why notwhy not开头的开头的简短疑问句中，后面紧跟的动词不定式不带简短疑问句中，后面紧跟的动词不定式不带toto。 Why do sth.? Why not do sth.?Why do sth.? Why not do sth.?注意事项注意事项1. 有些动词既可跟不定式作宾语，也可跟动名词有些动词既可跟不定式作宾语，也可跟动名词作宾语，但含义不同：作宾语，但含义不同： remember to do 记住要做某事；记住要做某事； remember doing 记得曾经做过某事记得曾经做过某事 forget to do 忘记要做某事忘记要做某事 forget doing 忘记曾经做过某事忘记曾经做过某事 stop to do 停下来去做某事停下来去做某事 stop doing 停止做某事停止做某事 go on to do 继续做另一件事继续做另一件事 go on doing 继续做原来在做的事继续做原来在做的事 I remember seeing you somewhere before. 我记得以前在哪儿见过你。我记得以前在哪儿见过你。 Please remember to turn off the light when you leave. 离开时请记得关好灯。离开时请记得关好灯。 I forgot to tell her about it. 我忘记告诉她这件事。我忘记告诉她这件事。 I forgot telling her about it. 我忘记了曾把这件事告诉过她。我忘记了曾把这件事告诉过她。 2.2.感官动词后既可跟不带感官动词后既可跟不带toto的不定式作宾补，的不定式作宾补，也可跟也可跟v-ingv-ing作宾补，前者表示动作的全部过程作宾补，前者表示动作的全部过程已结束；后者表示动作正在进行。已结束；后者表示动作正在进行。 I saw him I saw him come come downstairs.downstairs. 我看见他下了楼。（说明他下楼了这件事）我看见他下了楼。（说明他下楼了这件事） I saw him I saw him comingcoming downstairs. downstairs. 我看见他我看见他在下在下楼。（说明他下楼时的情景）楼。（说明他下楼时的情景）注意事项注意事项Fill in each blank with the proper word from the brackets:1. Mike wants _(go) to a park on Sunday.2. The teacher often tells us _(not be) late.3. My brother is too young _ (join) the army.4. It takes me an hour _(do) my homework every day.5. Do you have anything _(say)?6. His parents often make him _ (do) a lot of exercises.7. He took lessons _(learn) how _(sing).8. Mother told him _(not play) football in the street.9. Im very glad _(pass) the exam.10.Your skirt is nice. Let me _(have) a look.to gonot to beto jointo doto saydo to learnnot to playto passhave to singFill in each blank with the proper word from the brackets:11. The students were made _(copy) the text three times.12. Youd better _(not go) there because it is dark.13. I have a lot of homework _(do) every day.14. The little boy likes _( answer) questions.15. Would you like _ (join) us?16. Mr. Wang taught me _ (play) basketball.17. My watch needs _ (repair).18. I find it important _(learn) English well.19. It is difficult _(answer) this question.20. Yesterday I saw the accident _(happen).to copy not goto doto answer/answering to jointo playrepairing/to be repairedto learnto answerhappenFill in each blank with the proper word from the brackets:21. The important thing is _(save) lives.22. I often help my mother _(do) housework.23. We often hear Mary _(sing) in her room.24. We are tired. Lets stop _(have) a rest.25. Its very kind of you _(think) so much of us.26. Its easy for me _(repair) the bike.27. There is nothing _(worry) about.28. I am rich enough _(buy) a car.29. Why not _(go) with me?30. Dont forget _(close) the door when you leave.to save(to) dosingto haveto thinkto repair to worryto buygoto closeCorrect the mistakes:1. The man was tired enough to stop having a rest.2. What words can you use describe the beautiful scene?3. The teacher told us to not make so much noise.4. They are often seen play on the playground.5. Youd better not to go out alone at night.6. I want to find a chair to sit.7. Its very nice for you to help me.8. Its good of you to do morning exercises.9. He found this difficult to learn Japanese.10. I often hear him singing in the next room.11. He needs seeing a doctor.to have _ to describe_not toto playnot go to sit on_ of_ for_ it_sing_to see