外研八年级英语动词不定式学习教案

1、外研八年级英语外研八年级英语(yn y)动词不定式动词不定式第一页，共20页。To do that sort of thing is foolish。I want to see you this evening.All you have to do is to finish it quickly.We found a house to live in.She came here to study English. I warned the patient not to eat cold water after the operation. 主语主语(zhy) 宾语宾语(bny)表语表语(bio

2、y) 定语定语 状语状语 宾补宾补一、用法一、用法第1页/共20页第二页，共20页。3)3)例外句型例外句型(j xn)(j xn)（请记住）：（请记住）： It is no good /no use /no help + doing sth. It is no good /no use /no help + doing sth. It is no use arguing It is no use arguing（争论）（争论） about it. about it. 1)1)注意：常用动名词而不是动词不定式作主语注意：常用动名词而不是动词不定式作主语e.g. Learning English

3、 is very important.e.g. Learning English is very important.e.g. It is important to learn English.It is a pity(遗憾)to have made such a mistake.第2页/共20页第三页，共20页。1) 只跟只跟to do的动词的动词(dngc)，常见的有：，常见的有：learn /agree/ask/plan/hope/wish/ decide/want/neede.g. She hopes to find a better job.I wish to go with you

4、.I want to eat meat for lunch.She hopes to meet her parents.特殊(tsh)用法：sth need/ want/ require doing= sth need/ want/ require to be done某事需要被做第3页/共20页第四页，共20页。 2）感官）感官(gngun)动词类（动词类（V + sb. + do sth.）see/ hear/ notice/ find/ watch/ hear/feel/ smellI often hear them sing the song in the next room .We

5、watched them play football .e.g. 1 She asked me to help her.2 The teacher told him to come on time.3 老师要学生们按时老师要学生们按时(nsh)做家庭作业。做家庭作业。The teacher wants the students to do the homework on time.第4页/共20页第五页，共20页。e.g. The teacher let me answer the question.但这些动词用于被动但这些动词用于被动(bidng)结构时，省去的结构时，省去的to要加上。要加

6、上。They were heard to sing a pop song.He was made to answer the question.3）使役）使役(shy)动词类（动词类（V + sb. + do sth.）make/ let / have第5页/共20页第六页，共20页。第6页/共20页第七页，共20页。注注意意(zh y) B. 动词动词(dngc)不定式的否定式不定式的否定式只须在只须在to 前加前加 not.My father decided not to take up the job.The teacher told us not to be late again.第7

7、页/共20页第八页，共20页。注意注意(zh y)C. 带疑问词的动词带疑问词的动词(dngc)不定式在不定式在to 前加前加疑问词。疑问词。Mr.Lin will teach us how to use the computer.Can you tell me where to get the book?I dont know what to do.I dont know how to do.第8页/共20页第九页，共20页。注意注意(zh y)D. 作简短作简短(jindun)回答或避回答或避免不必要的重复时，动词不定免不必要的重复时，动词不定式常常省去式常常省去to 后面的动词，只后面的

8、动词，只保留保留to 。A:Would you like to come to my party?Mary wanted to use my bike, but I asked her not to ( use my bike).B: Yes , Id love to ( come to your party).Mary想用我的自行车，但我叫她别用。想用我的自行车，但我叫她别用。第9页/共20页第十页，共20页。doing 表习惯性动作表习惯性动作(dngzu)；to do表将来一次性性动作表将来一次性性动作(dngzu)My wish is to become a scientist.My

9、job is teaching you English.第10页/共20页第十一页，共20页。不定式作目的状语：不定式用作目的状语时，其句意不定式作目的状语：不定式用作目的状语时，其句意特点很明显，通常在译成中文特点很明显，通常在译成中文(zhngwn)时可用时可用“为了为了”来表示。来表示。 To help the panda, the government has made a new plan.第11页/共20页第十二页，共20页。（2005.福建卷）福建卷）Can the project be finished as planned? Sure,_ it completed in ti

10、me ,well work two more hours a day. A. having got B. to get C. getting D. get （2005.广东广东(gung dng)卷）卷）He hurried to the station only _ that the train had left. A. to find B. finding C. found D. to have found （2005.重庆卷）重庆卷）Daddy didnt mind what we were doing, as long as we were together,_ fun. A. had

11、 B. have C. to have D. having 第12页/共20页第十三页，共20页。6. 作定语作定语to do将来的主动将来的主动(zhdng)动作，动作，to be done表将来的被动动作表将来的被动动作1 I have two books to read.2 Have you got anything to say?3 Hes looking for a room to live in.4 I dont have a pen to write with.5 I have clothes to wash, and do you have clothes to be wash

12、ed?6 The question to be discussed is very important.第13页/共20页第十四页，共20页。第14页/共20页第十五页，共20页。二、动词二、动词(dngc)不定式的形式不定式的形式 一般式：一般式： to do （表将来）（表将来）一般被动式：一般被动式：to be done进行进行(jnxng)式：式： to be doing（表正在进行（表正在进行(jnxng)）完成式：完成式： to have done（表已经完成）（表已经完成）完成被动式：完成被动式： to have been done否定式否定式: not to do第15页/共2

13、0页第十六页，共20页。用作主语用作主语(zhy)、宾语等。、宾语等。When to start has not been decided.I dont know what to do.He can tell you where to get the book.I dont know how to do it.第16页/共20页第十七页，共20页。四、动词不定式的复合四、动词不定式的复合(fh)结构：结构：1)for sb. to do sth2) (It is +性格性格adj+)of sb. to do sth性格性格adj：nice, kind, cruel, thoughtful, c

14、areful, carelessIt is very important for us to learn English.It is difficult for him to finish the task in such a short time.It is very nice of you to help me.It was careless of him to make such a mistake.第17页/共20页第十八页，共20页。练习练习(linx)1.Fill in the blanks with the proper forms of the verbs given.1.It is very hard for you _ (understand) this story.2. After _ (think) everything over, she decided _ (not send) her letter.3.He did not want_ (see) him.4.I saw him_ (cry) in the classroom.5.Let her _(do) her homework herself.to understandthinkingnot to sendto seecrydo第18页/共20页第十九页，共20页。My d