单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Welcome!,Welcome!,1,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,The infinitive to do not to do,2,Talk about your vacation plans,want,plan,would like,hope,expect,prefer,decide,to,I,Talk about your vacation plans,3,We have a lot of homework _(do).,We have many books _(read).,We dont have enough time _,(relax)ourselves.,to do,to relax,We have lots of,things,to do,every day.,to read,We have a lot of homework _,4,My dream is,to,My dream is to,5,动词不定式,定义,构成,用法,动词不定式 定义构成 用法,6,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，可在句中用做多种_。,一、定义,人称,数,谓语,句子成分,动词不定式是非谓语动词的一种，它没有_和_,7,She asked me,to come,on time.,My mother asked me,not to swim,in that river.,He told Lily,to sit,down.,The teacher told the students,not to,make,noise.,She asked me to come on time.,8,肯定：,否定：,二、构成,to+V原,not to+V原,肯定：二、构成to+V原not to+V原,9,主语（Subject）,宾语（Object）,宾补（Object complement）,定语（Attributive）,状语（Adverbial）,表语（Predicative）,与疑问词连用（interrogative,）,三、用法,主语（Subject）三、用法,10,1.,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。,1.作主语To grow trees is very,11,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 sth.,你那样做是有礼貌的。It is polite of yo,12,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,good,kind,nice,rude,clever,13,1.对我们来说，努力学习是必要的。,2.你那样做很有礼貌。,Its necessary,for,us to study hard.,Its very polite,of,you to do that.,难点突破:,1.对我们来说，努力学习是必要的。Its necessa,14,1)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),你还学过哪些可以接不定式作宾语的动词？2.作宾语 (v.+,15,想做某事,愿意做某事,希望做某事,决定做某事,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,想做某事want to dowould like to do,16,Practice,1.I _(希望收到来信)you soon.,2.John _ (不想放弃)his study.,3.Millions of people,_(已学会使用)computers.,hope,to hear from,doesnt,want,to give up,have,learn,ed to use,Practicehope to hear fromdoesn,17,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：,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,18,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,stop,to do,sth.停下来去做某事,stop,doing,sth.停止做某事,go on,to do,sth.继续做另一件事,go on,doing,sth.继续做原来在做的事,need to do sth.需要做某事,need doing sth.需要被做,try to do sth.尽力去做某事,try doing sth.尝试去做某事,含义不同：,19,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 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,难点突破：to turn off the lightssmo,20,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,sb.think/find+it+adj.+,21,难点突破：,1.他认为学好电脑是有用的。,2.我发现要让她停止哭是很难的。,He thinks,_.,I found,_,it useful to learn computer well,it difficult to make her stop crying,.,难点突破：1.他认为学好电脑是有用的。2.我发现要让她,22,3.,作宾语补足语,She,asked,me,to watch TV,.,Lucy,told,him,not,to cry,.,3.作宾语补足语She asked me to watc,23,此类动词还有哪些？,想要某人做,希望某人做,允许某人做,建议某人做,鼓励某人做,帮助某人做,喜欢某人做,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,would like,sb.to do,此类动词还有哪些？想要某人做 want sb,24,常考难点：,1）Let me do it.,2）I saw him cross the street.,上述动词接不定式省略了_？,to,作宾语补足语不带to 的情况：,常见动词有：?,使役动词:,let,make,have,感官动词:,see,watch,notice,，,hear,feel,常考难点：上述动词接不定式省略了_？to作宾语补足语不带,25,如：老板让工人们整天都工作。,The boss,made,the workers_,all day.,但这些词在被动语态里要还原to,如：,I,saw,him,play,football yesterday.,He,was seen,_football,yesterday.,work,to play,昨天我看见他踢足球。,如：老板让工人们整天都工作。但这些词在被动语态里要还原to如,26,比较：,1）I heard her,sing,in the next room.,2）I heard her,singing,in the next room.,感官动词后既可跟不带to的不定式 作宾补，也可跟动名词作宾补，前者表示动作的全部过程已结束；后者表示动作正在进行。,以上两句有什么不同？,比较：感官动词后既可跟不带to的不定式 作宾补，也可,27,1.John was made,the car for a week as a punishment,A.to wash B.washing C.wash,2.I heard her,at 8:00 yesterday.,A.sing B.singing C.sang,3.You mustnt let him,too much TV.,A.watch B.to watch C.watching,A,C,A,难点突破:,1.John was made the ca,28,1)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.,常考：,in order to/too to,4.,作状语,1)I went there in order to se,29,1 She ran fast _(为了赶上)the first bus.,2、I was_,(太累了，难于入睡。),难点突破：,in order to catch,too tired to fall asleep,1 She ran fast _,30,1)Have you get 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,1)Have you get anything to sa,31,His wish is,to be a doctor,.,My job is,to help the patient,.,不定式作表语常放在_动词之后。,be,6.作表语,His wish is to be a doctor.不定式,32,7.,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?,7.疑问词+不定式不定式与疑问词who,which,33,难点突破:,1.He didnt know,_,.(