(复习公开课齐)动词不定式课件.ppt

1、Tang JieqiTang JieqiSpring Festival is coming!Do you want to receive presents?Today there are some tasks for you to finish.One question is for 1 point!The winning group will get a present!(1)It was interesting to learn about the Wolong Panda Reserve.(2)We need to help the animals live in peace.(3)Ma

2、ny people decide not to think about it.(4)Their water isnt good to drink.(5)Our government is working hard to save pandas.(6)Many animals have no place to live in.(7)The difficulty is to stop people killing them.(Sentences from M9)(Sentences from M9)We call the We call the red wordsred words The Inf

3、initive“The Infinitive“to doto do”TasksTasks1）动词不定式的基本形式和否定形式动词不定式的基本形式和否定形式2）动词不定式的基本用法动词不定式的基本用法3）动词不定式省略动词不定式省略to的情况的情况Task 1Task 1动词不定式的基本形式和否定形式动词不定式的基本形式和否定形式动词不定式的动词不定式的基本形式基本形式是由是由“to+vto+v原原”构成，构成，其其否定形式否定形式是是not to donot to do.注：动词不定式没有人称和数的变化注：动词不定式没有人称和数的变化.Task 1Task 1()It was freezing

4、outside.He decided()It was freezing outside.He decided _ his coat._ his coat.A.to put on A.to put on B.putting on B.putting on C.puts on C.puts on D.put on D.put on()The teacher told us _in bed.()The teacher told us _in bed.A.dont read A.dont read B.read not B.read not C.to not read C.to not read D.

5、not to read D.not to readTask 1 Task 1 动词不定式的基本形式和否定形式动词不定式的基本形式和否定形式Task 2Task 2动词不定式的用法动词不定式的用法 常用句型：常用句型：Its+adj.(+for sb.)+to do sth.（对某人来说）做某事是怎样的（对某人来说）做某事是怎样的1.不定式做主语：不定式做主语：形式主语形式主语真正主语真正主语=To answer the question is difficult for me.Its difficult for me to answer the question.Have a try!Tran

6、slate:对我来说回答这问题是很难的。对我来说回答这问题是很难的。e.g.To learn English well is not easy.=Its not easy to learn English well.Its important to love our class.+1(1)When do we use(1)When do we use“Its+adj.(+Its+adj.(+for for sb.)+to do sth.sb.)+to do sth.”?(2)When do we use(2)When do we use“Its+adj.(+Its+adj.(+of of sb

7、.)+to do sth.sb.)+to do sth.”?+1+1 It is+adj+It is+adj+forfor sb+to do.sb+to do.important/possible/impossible/difficult/hardimportant/possible/impossible/difficult/hardIt is It is easy easy for me for me to do the homeworkto do the homework.It is It is hardhard for him for him to play the violinto p

8、lay the violin.要点小结：当要点小结：当adjadj描述的是描述的是“to do”to do”时，用时，用forfor。It is+adj+It is+adj+ofof sb+to do.sb+to do.kind/stupid/careful/clever/rudekind/stupid/careful/clever/rudeIt is It is kindkind of you of you to help meto help me.It is It is ruderude of him of him to break the windowto break the windo

9、w.要点小结：当要点小结：当adjadj描述的是描述的是“sb.”sb.”时，用时，用of of。赠送精美图标1、字体安装与设置、字体安装与设置如果您对PPT模板中的字体风格不满意，可进行批量替换，一次性更改各页面字体。在“开始”选项卡中，点击“替换”按钮右侧箭头，选择“替换字体”。（如下图）在图“替换”下拉列表中选择要更改字体。（如下图）在“替换为”下拉列表中选择替换字体。点击“替换”按钮，完成。2、替换模板中的图片、替换模板中的图片模板中的图片展示页面，您可以根据需要替换这些图片，下面介绍两种替换方法。方法一：更改图片方法一：更改图片选中模版中的图片（有些图片与其他对象进行了组合，选择时一

10、定要选中图片 本身，而不是组合）。1.单击鼠标右键，选择“更改图片”，选择要替换的图片。（如下图）2.不定式做表语的结构不定式做表语的结构“n+be+to n+be+to dodo”常放在常放在be动词动词后，表明主语后，表明主语“是什么是什么”“怎么怎么样样”。e.g.Our plan is to go there by plane.我们的计划是乘飞机去那儿。我们的计划是乘飞机去那儿。（主语和表语指代的是同一事物）（主语和表语指代的是同一事物）1.My job is 1.My job is _puters.A.to selling B.sell C.to sell A.to selling

11、B.sell C.to sell2.Her hobby is _ (play)football.2.Her hobby is _ (play)football.to playto playHer wish is Her wish is to studyto study in Huangqi in Huangqi Middle school.Middle school.My job is My job is to cleanto clean the streets.the streets.3.I want to buy a ticket.(做宾语做宾语)接动词不定式作宾语常见的几个动词、短语是接

12、动词不定式作宾语常见的几个动词、短语是want,try,decide,offer,agree,plan,begin,learn,wish,hope,start,need,like,love,would like，cant wait 等等.e.g.1)They decided to try again.2)Students need to go to school before 7 oclock every day.3.不定式做宾语的结构：不定式做宾语的结构：“V+to doV+to do”的结构的结构1.My friends want _(buy)some tickets for us.2.M

13、y parents decide _(give)me more money.3.He plans _(go)to Beijing for a holiday.4.The boy hopes _(pass)the English exam.5.My little son learns _(read)some new words.6.I cant wait _(drink)the bottle of juice.7.She would like _(become)beautiful.to buyto giveto goto passto readto drinkto become4.She hel

14、ped us to learn English.动词不定式作宾语补足语动词不定式作宾语补足语,常见的动词有常见的动词有 tell,ask,want,would like,wish,teach,help ,invite等等.其其否定形式否定形式为：为：“V+sb.not+to do”(做宾语补足语)She told me not to give the book to him.I asked John to carry the box.4.不定式做宾语补足语的结构：不定式做宾语补足语的结构：肯定形式：肯定形式：“V+sb.+to doV+sb.+to do”1.Does you mother w

15、ish you _a doctor?A.being B.to be C.become2.My teacher always tells me _ _(study)hard.3.I dont want you _ _(help)me.4.She asks me _ _ _(not join)them.5.My best friend teaches me _ _(swim).6.He often invites his friends _ _(have)dinner.to studyto studyto helpto helpnot to joinnot to jointo swimto swi

16、m to have to have5.They were happy to hear that news.(做状语做状语)不定式作状语一般表示目的，原因或结果不定式作状语一般表示目的，原因或结果1.I am sorry 1.I am sorry to hurt youto hurt you.伤害到你我很难过。伤害到你我很难过。2.She was excited 2.She was excited to see Yao Mingto see Yao Ming！见到姚明她很激动！见到姚明她很激动！5.不定式做状语的结构：不定式做状语的结构：“sb.+be+adj+to dosb.+be+adj+t

17、o do”3.Tony is afraid 3.Tony is afraid to go out.to go out.托尼害怕外出。托尼害怕外出。She was surprised She was surprised _ _ a present.a present.A.receive B.receives C.to A.receive B.receives C.to receivereceive2.The water is not clear 2.The water is not clear _.A.to drink B.for drinking C.drinks A.to drink B.f

18、or drinking C.drinks3.Im sorry 3.Im sorry _ _ you.you.hit B.to hit C.hittinghit B.to hit C.hitting 4.He is too young _ _(go)to 4.He is too young _ _(go)to school.school.to go to go6.作定语作定语(后置）的结构：后置）的结构：“n+to do”1.I have something _ 要说要说.2.She has a lot of work _做做 every day.3.The old man has a hous

19、e _住住.to say to doto live in6.不定式做定语：用来修饰前面的名词或者不定代词。不定式做定语：用来修饰前面的名词或者不定代词。注意：注意：他在找一个房子住。他在找一个房子住。越来越少土地可居住的。越来越少土地可居住的。请给我把笔来写东西。请给我把笔来写东西。He is looking for a house to live in There is less and less land to live onPlease give me a pen to write with需要保留需要保留介词介词的时候，不能去掉。的时候，不能去掉。7.7.特别结构：特别结构：“疑问词疑

20、问词+to do”+to do”e.g.e.g.1 1）Can you tell me Can you tell me what to saywhat to say （说什么（说什么）at at the meeting?the meeting?2 2）We dont know We dont know when to leavewhen to leave(什么时候离开什么时候离开)Beijing.Beijing.3 3）Can you show me Can you show me how to swimhow to swim（怎样游泳）（怎样游泳）?4 4）He didnt tell me

21、He didnt tell me where to gowhere to go（去哪里）（去哪里）.1.Joe is teaching Alice _the chair.1.Joe is teaching Alice _the chair.how mend B.how mending how mend B.how mending C.how to mendC.how to mend2.I dont know what_ _(do)next.2.I dont know what_ _(do)next.3.Could you tell me when _ _ 3.Could you tell me

22、 when _ _(have)dinner?(have)dinner?hearhearsee +sb +do sthsee +sb +do sthfindfindmake make let +sb+do sth let +sb+do sth8.8.不定式中不定式中省略省略toto的动词的动词 When they went into the park,they saw someone _ Chinese Kongfu.A.playing B.played C.to play2.Mr.Brown made his students _ the new words.A.remembering B.r

23、emember C.to remember3.Please let the students_ down.A.sitting B.to sit C.sit4.Is Wei Fang good at singing?-Yes,she is.We often hear her _ in her room.A.to sing B.sing C.sings 8.8.只能跟只能跟v-ing v-ing 的动词：的动词：finish,enjoy,mind,finish,enjoy,mind,keep,practise,keep,practise,look forward to doing look for

24、ward to doing 1.I cant help _(cry).2.He didnt finish _(do)homework.3.Would you mind _(close)the window.4.Every day Mary practise _(speak)English.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.10.注意注意Stop to d

25、o 与与stop doing：stop to do 指的是：停下其它的事情，去做不定式的指的是：停下其它的事情，去做不定式的动作。动作。We are so tired.Lets stop to have a rest.我们太累了，让我们停下来休息一会儿吧。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。是指停下来正在做的事情。The students stopped talking when the teacher came in.She reached the top of the hill and stopped _on a big rock by the

26、 side of the path.A.to have rested B.resting C.to rest D.rest2.Its time for class,please stop_(talk)3.He stopped _(say)hello to me when he saw me.4.Its too late,lets stop_(work)5.He stopped_(cry)when seeing his mother.C Ctalkingto sayworkingcryingremember to do 记得要去做记得要去做remember doing 记得曾经做过记得曾经做过

27、Please remember to bring your book with you tomorrow.I remember bringing my book this morning.forget doing 曾经做过这件事，但后来忘了曾经做过这件事，但后来忘了 forget to do 忘记要做一件事忘记要做一件事（根本没做）（根本没做）I often forget to turn off the light,but I remember turning it off last night.1.Dont forget _ your homework with you when you c

28、ome tomorrow.to bring B.bringing C.to take D.taking2.-Do you still remember _ me somewhere in Beijing?-Yes,of course.Two years ago.to see B.see C.seeing D.saw3.Remember _(not be)late next time!动词不定式动词不定式To do like that is foolish.I want to see you this evening.All you have to do is to finish it quic

29、kly.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.SummarySummary：动词不定式的用法动词不定式的用法My planMy planAssignmentAssignment 1.Recite all the useful phrases and 1.Recite all the useful phrases and sentence structures in this class!se

30、ntence structures in this class!2.Finish the exercises on Page 7.2.Finish the exercises on Page 7.Thank you!Thank you!11.find it+adj+to do =find(that)it is to do.think itto do =think(that)it is adj+to do sth.I found it easy to learn English.=I found it is easy to learn Enlish.Exercise:I felt it hard

31、 _(give)up _(smoke)(1)It was interesting to learn about the Wolong Panda Reserve.(2)Its sad to think about all those animals in danger.(3)It just isnt right to kill whales or elephants for their meat.(4)Are you surprised to find out that whales are in danger?(5)We need to help the animals live in pe

32、ace.(6)Many people decide not to think about it.(7)Their water isnt good to drink.(8)Our government is working hard to save pandas.(9)There are more than 30 nature reserves to protect pandas.(10)Many animals have no place to live in.(11)Pandas have less and less land to live on.(12)The government has made a new plan to help pandas.(13)The difficulty is to stop people killing them.