动词不定式的形式课件市公开课一等奖省赛课微课金奖PPT课件.pptx

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,2021/10/3,#,动词不定式,动词不定式形式,动词不定式（the Infinitive）是一个非谓语动词,由,“to+动词原形”,组成，其否定式是,“not to+动词原形”,。动词不定式即使不能作谓语动词，但仍保留动词特征，它能够有自己宾语或状语而组成动词不定式短语。如to study hard，to play basketball。,Grammar,动词不定式形式课件,第1页,第1页,动词不定式,动词不定式时态和语态,主动形式,被动形式,普通式,to do,to be done,完成式,to have done,to have been done,进行式,to be doing,完成进行式,to have being doing,时态,语态,Grammar,动词不定式形式课件,第2页,第2页,动词不定式,动词不定式时态和语态,1.Kate hopes,to become,a university student this year.,凯特希望今年能成为一名大学生。,2.Im sorry,to have kept,you waiting.,很抱歉让你久等了。,3.They seemed,to be discussing,something important.,他们似乎正在讨论主要事情。,4.She wishes,to be sent,to work in Shanghai.,她希望能被派到上海工作。,Examples：,Grammar,动词不定式形式课件,第3页,第3页,动词不定式,动词不定式句法功效,1作主语,To talk with him,is a great pleasure.,注意：动词不定式短语作主语时，为了保持句子平衡，往往用,it,作形式主语，而把不定式短语置于谓语动词之后。,如：,It,is a great pleasure,to talk with him,.,It,is a great pleasure,to see you again,.,Grammar,动词不定式形式课件,第4页,第4页,动词不定式,动词不定式句法功效,3作宾语,（1）有些及物动词惯用动词不定式作宾语。这些动词有：,ask,want,try,hope,wish,learn,choose,decide,expect,afford,等。,如：,Lucy,wants to buy,a computer.,We cant,afford to go on,vacation this year.,2作表语,His wish is,to become a basketball star,like Yao Ming.,Grammar,动词不定式形式课件,第5页,第5页,动词不定式,动词不定式句法功效,3作宾语,（2）不定式短语作宾语时，假如还带有,宾语补足语,，往往把不定式宾语放在宾语补足语之后，而用,it,作,形式宾语,。,如：,I find,it,interesting,to study yoga,.,Grammar,动词不定式形式课件,第6页,第6页,动词不定式,动词不定式句法功效,4作复合宾语中宾语补足语,常跟不定式作宾补动词有：,ask,invite,help,tell,hear，make,等。,如：,I,invited,her,to have coffee,.,Tell,the children,not to play,on the street.,Grammar,动词不定式形式课件,第7页,第7页,动词不定式,动词不定式句法功效,4作复合宾语中宾语补足语,注：（1）在,feel,hear,see,watch,notice,等,感官动词,或,let,make,have,等,使役动词,后面，复合宾语中动词不定式通常,不带,to,。但上述动词转换为,被动结构,时，,其后不定式仍,须带,to,。,如：,We often,hear,him,sing,in the room.,He,was seen to enter,the theatre.,Grammar,动词不定式形式课件,第8页,第8页,动词不定式,动词不定式句法功效,5作定语,动词不定式可用作修饰,名词,或,代词,定语，用作定语不定式需,跟在所修饰名词或代词之后,。,如：,We need,someone,to help him with the typing,.,She is a very nice person,to work with,.,Grammar,动词不定式形式课件,第9页,第9页,动词不定式,动词不定式句法功效,6作状语,动词不定式可用作修饰,动词,或,形容词,状语，通常放在,其修饰,动词或形容词之后,。如：,(1)The young often come here,to listen to the old man,tell stories,.(作目标状语),(2)Everyone will be surprised to,see the changes in Beijing,.(作原因状语),(3)The hall is big enough,to hold a lot of people,.,(作结果状语),Grammar,动词不定式形式课件,第10页,第10页,动词不定式,动词不定式句法功效,7动词不定式其它使用方法,(1)疑问词+动词不定式,疑问词,what，who，which，when，where，how,和连词,whether,之后，可跟一个带,“to”,不定式，组成一个特殊不定式短语，可在句中,作主语、宾语、表语,。,如：,How to get there,has not been decided yet.（主语）,Kate didnt know,what to say,.（宾语）,Grammar,动词不定式形式课件,第11页,第11页,动词不定式,动词不定式句法功效,7动词不定式其它使用方法,（2）,“for,+名词或代词宾格+不定式,”,和,“of,+名词或代词宾格+不定式,”,使用方法,当前面形容词表示不定式行为特点时，惯用,“for,+名词或代词宾格+不定式”结构引出不定式逻辑主语；而当前面形容词表示不定式逻辑主语，即行为人品行特点时，则用,“of,+名词或代词宾格+不定式,”,结构引出不定式逻辑主语。,如：,Its,impossible,for,him,to finish the work himself,.,Its very,kind,of,you,to help him every day,.,Grammar,动词不定式形式课件,第12页,第12页,Exercise A,A.Read and translate.,1.Each bird loves,to hear,itself,sing,.,2.Early to bed and early,to rise,makes a man healthy,wealthy and wise.,3.Eat,to live,but not live,to eat,.,4.It is hard,to please,all.,5.One is never too old,to learn,.,6.,To save,time is,to lengthen,life.,Grammar,人人都有悦己之心。,早睡早起，健康、财富、智慧伴你行。,吃饭为了生存，但生存,不能只为了吃饭。,众口难调,。,活到老，学到老。,珍惜时间就是延长生命。,动词不定式形式课件,第13页,第13页,Exercise B,B.Think and match.,His wish is,Its fun,She didnt work hard enough,Mr.Lin refused,She is a nice person,6.They asked me,a.to work with.,b.not to worry about the accident.,c.to become a scientist.,d.to pass the exam.,e.to talk with his manager.,f.to swim in summer.,作定语,作宾补,作状语,作宾语,作主语,Grammar,作表语,动词不定式形式课件,第14页,第14页,Exercise C,C.Think and rewrite.,1.This book tells you how you can win at chess.,This book tells you _ at chess.,2.Could you please tell me where I can buy the dictionary?,Could you please tell me _ the dictionary?,3.The students are discussing what they will do with the,rubbish.,The students are discussing _with the rubbish.,Many countries have discovered how they can save their rainforests.,Many countries have discovered how to save their rainforests.,how to win,where to buy,what to do,Grammar,Example A:,动词不定式形式课件,第15页,第15页,Exercise C,C.Think and rewrite.,“Please send the letter for me.”Lily said to Mary.,Lily asked Mary to send the letter for her.,4.Mrs.Green said to us,“Turn off the lights when leaving the room.”,Mrs.Green told us _ off the lights when leaving the room.,5.“Dont stay up too late,Tom”.Mother said.,Mother told Tom,_,up too late.,6.“Dont make so much noise!”The police ordered the young man.,The police ordered the young man,_,so much noise.,to turn,not to stay,not to make,Example B:,Grammar,动词不定式形式课件,第16页,第16页,Exercise D,D.Read and complete.,1._(生活在上海)is my lifetime dream.,2.Father promised _ (给他买辆自行车)on his 18th birthday.,3.Could you help me _（寻找钥匙）?I cant find them.,4.After walking for three hours,we stopped _(休息),5.Its so hot today.Id like to have _(喝东西).,To live in Shanghai,to buy him a new bicycle,(to)look for the keys,to have a rest,something to drink,Grammar,动词不定式形式课件,第17页,第17页,Consolidation,What have we learned?,1.The rainforest and the problems of it.,greatest treasure,valuable,warm,a lot of rain,perfect,For animals and plants,home for half the species,Disappearing,being cut for wood,cleared for cities and,roads,burned for farmland,2.Ways to protect the rainforest.,Ecotourism,set aside land as wild rainforest,3.Grammar:the Infinitive 动词不定式,作主语，作宾语，作定语，作状语，作宾补，作表语,疑问词+不定式，,Dont forget the words and expressions!,动词不定式形式课件,第18页,第18页,Homework,What will we do?,Review the words and phrases,in this section.,2.Brainstorm some words about,rainforests.,3.Finish the workbook exercises.,4.Read and retell the passage.,5.Discuss with your friends about,how to protect wild animals and,write a short passage.,And finish off the workbook.,动词不定式形式课件,第19页,第19页,