高中动词不定式自制课件公开课.ppt

1、Welcome!,Book 3 Module4 grammar,The infinitive 动词不定式,to do,not to do,语法复习-动词不定式,动词不定式,The Infinitive,To learn the usage of “to do”. 2. To do a lot of exercises related to the grammar. 3. To put theory into practice and improve the ability.,【学习目标】,We have a lot of homework _(do) . We have many books

2、_(read). We dont have enough time _ (relax) ourselves.,to do,to relax,We have lots of things to do every day.,to read,My dream is to,If you have time,what would you like to do ?,want plan would like hope expect prefer decide ,to,I,动词不定式,定义,构成,用法,动词不定式是非谓语动词的一种，它没有_和_的变化，在句子中不能独立作_，但具有名词、形容词和副词等的功能，可

3、在句中用做多种_。,一、定义,人称,数,谓语,句子成分,My mother asked me not to swim in that river. He told Lily to sit down. She asked me to come on time. The teacher told the students not to make noise.,肯定： 否定：,二、 构成,to + do,not to + do,主语（Subject） 宾语（Object） 宾补（Object complement） 定语（Attributive） 状语（Adverbial） 表语（Predicati

4、ve） 与疑问词连用（interrogative ）,三、 用法,1. 作主语,To grow trees is very important.,It is very important to grow trees.,不定式作主语时,往往放在谓语之后,用it作形式主语。,你那样做是有礼貌的。,It is polite of you to do that.,学英语对我们来说是重要的。,It is important for us to learn English.,It is + adj. + of sb. to do sth.,2. It is + adj. + for sb. to do s

5、th.,good, kind, nice, rude, clever, right, silly, brave, selfish,easy, hard, difficult, important, possible, necessary,描述人的性格、品质的形容词,描述事物特征的形容词,用of,用for,1) I want to buy a computer. 2) She hopes to find a better job. 3) I wish to go with you.,你还学过哪些可以接不定式作宾语的动词？,2.作宾语 (v.+ to do ),想做某事 愿意做某事 希望做某事 决

6、定做某事 需要做某事 同意做某事 计划做某事 学会做某事 主动提出做某事,want to do,would like to do,hope to do / wish to do,decide to do,need to do,agree to do,plan to do,learn to do,offer to do,带不定式作宾语的词语，构成v.+ to do 形式。 下列词语常不定式作宾语： afford agree happen wait threnten .,Practice 1. I _ (希望收到来信) you soon. 2. John _ (不想放弃) his study. 3

7、. Millions of people _ (已学会使用) computers.,hope to hear from,doesnt want to give up,have learned to use,有些词既可接动词不定式又可接动名词，但含义不同，你认识它们吗？,注意1：,含义不同： remember to do sth.记得要做某事 remember doing sth.记得做过某事 forget to do sth.忘记要做某事 forget doing sth.忘记曾经做过某事 regret to do sth.很遗憾要做某事 regret doing sth. 后悔做了某 mea

8、n to do sth 打算做某事 mean doing sth意味着做某事 stop to do sth. 停下来去做某事 stop doing sth.停止做某事 try to do sth.尽力去做某事 try doing sth.尝试去做某事,含义不同： go on to do sth 继续做(另一件）事 go on doing sth 继续做（同一件）事 cant help to do 不能帮忙做事 cant help doing 禁不住做事,难点突破： 别忘了离开时把灯关了。 Dont forget _ before leaving. 2. 父亲必须戒烟了。 Father must

9、 stop_. 3. 他看完电视后，继续看了一会书。 After he watched TV, he went on _ books for a while.,to turn off the lights,smoking,to read,sb. think / find + it+ adj. + to do,注意2,She finds it necessary to talk to him again. I think it important to learn English.,不定式作宾语时，如带有宾语补足语，则用it作形式宾语,难点突破：,1. 他认为学好电脑是有用的。,2. 我发现要让

10、她停止哭很难的。,He thinks _.,I found _,it useful to learn computer well,it difficult to make her stop crying.,3.but+不定式的用法(有do无to) but, except, besides, other than,to do do,I have no choice but to wait. There was nothing for me to do other than wait until the meeting was over. She could do nothing but cry.

11、 What do you like to do besides swim?,4.不带 to的不定式：cant but, cant help but, cant choose but+do “不得不”,We cant but admire his bravery. We cant choose but wait。 She is such a lovely girl that I cant help but love her.,3.作宾语补足语,She asked me to watch TV.,Lucy told him not to cry.,此类动词还有哪些？,想要某人做 希望某人做 允许某

12、人做 建议某人做 鼓励某人做 帮助某人做,want sb. to do,wish/hope sb. to do,allow sb. to do,advise sb. to do,encourage sb. to do,help sb. (to) do,常用带to不定式作宾补的情况： 主语 + ask / require / tell / order / force / get /allow/cause encourage/forbid/force/intend/permit/ persuade/remind/request/urge/ warn/wish+sb. to do. sth.,1)

13、I went there in order to see my teacher. 2) The boy was too frightened to move.,(目的),(结果),（原因）,3) Im sorry to trouble you.,4.作状语,1 She ran fast _(为了赶上) the first bus. 2、I was_ (太累了，难于入睡。),难点突破1：,in order to catch,too tired to fall asleep,常考：in order to / too to,难点突破2： to do不定式与only或者never连用，表示出乎意料的结

14、果。 He hurried to the station, only to find the train had left. He left home at the age of 10, never to come back again.,1) Have you got anything to say?,2) Hes looking for a room to live in?,不定式作定语，如果不定式的动词是不及物动词， 则不定式中要有介词。如上例的2),5. 作定语,His wish is to be a doctor. My job is to help the patient.,不定式

15、作表语常放在_动词之后。,be,6. 作表语,7. 疑问词 + 不定式,不定式与疑问词who,which,when, how,what,where等连用，在句中起名词作用，可充当主语、表语、宾语等。,在与why连用时，后面紧跟的动词不定式不带to。 Why not have a rest?,难点突破: 1.He didnt know_. (说什么)。 2._ (如何保护环境)is very important. 3.My question is_. (什么时候开始)。 4. Please tell me_. (去哪儿) 5. I dont know _ (买哪一个) for you,what

16、to say,How to protect the environment,when to start,where to go,which one to buy,Exercises,I am a student of Grade Nine. I have a lot of homework _(do) every day. I work hard_(get) good grades. In my spare time, I usually listen to music _(relax) myself. But my mother always asks me _(not spend) muc

17、h time listening to music. She wants me _( work) hard at my schoolwork all the time. I feel stressed out. My dream is _(be) an engineer. So I plan_(study) maths really hard. But its difficult _(learn) maths. I dont know how_(learn) it well. I will ask my teacher and classmates _(help) me. I believe

18、“_( ask) well is _(know )much ” (善问懂得多) . I will make my dream _(come) true.,Fill in the blanks,to do,to get,to relax,not to spend,to work,to be,to study,to learn,to learn,to help,To ask,to know,come,The infinitive 动词不定式,to do not to do,我有一个梦想。我的梦想是成为一名战士。为了世界的和平，我愿竭尽所能。我愿到贫苦的地方 助那些陷入困境中的人。给他们一个幸福的家园。 我有一个梦想。我的梦想是成为一名老师。为了帮助那些不能上学的孩子，我想去非洲把我所学得 交给他们。 我有一个梦想。我的梦想是成为一名医生。我想挽救更多的人。但是我想最重要的事情是用知识武装自己。所以我必须全力以赴的投入到学习中。 我有一个梦想。有一天所有的梦想都会