动词不定式的用法表目的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,*,Unit 6 Birdwatching,Grammar,第1页,1.Jim plans _ more fruit and vegetables every day.,2.After dinner,we like _ TV and chat there.,3.I love _ there and look out at the beach and the sea.,4.Lucy wants _ sick people.,5.I started _ the violin at the age of six.,to eat,to watch,to sit,to help,to play,sit play eat watch help,第2页,Please go on to look at the sentences below.Pay attention to the colored words.,1.Kitty is,preparing to go out,next Sunday.,2.Kitty,plans to take,Linda out.,3.Linda,wanted to visit,the park.,4.Sandy,agrees to go,with them.,5.Millie,decided to stay,at home.,什么是动词不定式,(to-infinitives),？,当句子中已经有谓语动词，而我们又要,表示不止一个动作概念时，其余动词能够使用非谓语形式表示。动词不定式,就是动词一个非谓语形式，其必定形,式是“,to+,动词原形”（有时能够不带,to,，其否定形式是“,not to+,动词原形”。,无人称、数和时态改变。,Verbs+to-infinitives,agree choose decide hope,learn plan prepare want,like start begin fail,wish try remember forget,We often use to-infinitives after these verbs.,+to-infinitives,作宾语,第3页,Fill in the blanks with the correct forms of the verbs in brackets.,1.I often go to the market _(watch)the flowers.,2.We should make laws _(prevent)people killing bears.,3.Jim will go to the park _(fly)kites.,4.She will go to the supermarket _(buy)some bread.,5.He came to my home _(play)chess with me just now.,6.We should act _（protect)wild animals.,to watch,to prevent,to fly,to buy,to play,to protect,Using to-infinitives for purpose,动词不定式作目标状语。,第4页,Using,to,-infinitives for purpose,We can use,to-infinitives,to express,purpose表目标)作目标状语。,e.g.I often go to the market,to watch,the birds.,Now the Chinese government has,made laws,to prevent,all these things.,第5页,We can also use,in order to,to express purpose.This is,more formal,than,to-infinitives,.(表示更正式，更清楚)其否定式是,in order not to do sth,e.g.,1.Some people want to make thewetlands,smaller,in order to,have more space for farms,and buildings,.,2.Take a notebook with you,in order,to,write,down what you see.,3.Take a notebook with you,in order not,to,forget the,important things.,第6页,注意：,由in order to引导目标状语，既能够,置于句尾，也能够置于句首。,e.g.They started early,in order to,get,there in time.,In order to get,there in time,they started early.,为了及时赶到那里，他们很早就出发了。,第7页,1 People go to Zhalong _,a to take photos,of the birds.,2 They should read about _,b to study the,the,birds first,birds in the,wetlands.,3 Most People take a _,c to watch the,camera,birds.,4 The Birdwtching _,d to learn more,Society goes,about them.,a,d,b,c,Amy is thinking about the things people do in Zhalong Nature Reserve.Match the first parts of the sentences on the left with the second parts on the right.Write the correct letters in the blanks.,第8页,1.People go to Zhalong_(watch)the birds.,2.People go to Zhalong,in order,_(watch)the birds.,3.Many people take a camera _(take)photos.,4.Many people take a camera,in order,_(take)photos.,5.He wrote down my name,in order,_,(,not,forget)me.,6.She does her homework carefully,in order,_(,not,make)mistakes.,to watch,to watch,to take,to take,not to forget,not to make,第9页,We add,not,before,to-infinitives,to,express a negative meaning.,e.g.We,ask people not to catch,birds for,any reason.,He,told me not to,make much noise.,第10页,常跟,带to动词不定式,作宾语补足语动词有：,ask,tell,order,invite,get,allow,wish,want,encourage,advise,warn,would like,need,等。,动词不定式作宾语补足语，,有带to和不带to两种形式,。,第11页,e.g.,1.The policeman,told,the boys not,to swim,in the river.,2.The teacher,asked,the students,to finish,the homework on time.,3.Mr Wu,advised,us,to,read books aloud.,第12页,make,or,let,+object+infinitive,without,to,e.g.,Max tells funny jokes and often,makes me laugh,.,Mr Wu agreed to,let me join,their,school trip.,常跟,不带to动词不定式,作宾语补足语动词有：,感官动词hear,feel,see,watch,notice等；使役动词let,make和have,。,第13页,see,find,watch,feel,notice,or,hear,+object+infinitive,without to,e.g.1.She,saw a baby panda drink,her mothers milk.,2.Millie and Amy,heard someone sing,in the park.,3.He always,watch them play,football.注意：She,saw a boy playing,football on the ground,at this time yesterday.,表示动作正在发生,。,第14页,动词,help后面动词不定式可带to,也可不带to,。,help,+object+infinitive,with or without to,e.g.This will,help people(to)understand,the importance of the wetlands.,She often,helps me(to)do,the,housework.,第15页,The Class 1,Grade 8 students went to Zhalong Nature Reserve.Sandy is writing about their trip.Help her complete the sentences with the correct forms of the verbs in brackets.,1.Mr Wu _ us _ a pair of comfortable shoes because we would have to walk a long way.(ask/wear),2.We _ some birds _ in the trees.(hear/sing),3.Mr Wu us _ the birds carefully.(tell/watch),4.He also _ us _ the birds.(want/describe),5.He _ us _ in the wetlands.(advise/not shout),6.The cold weather _ some birds _ south for the winter.(make/fly),7.The trip _ us _ more about wildlife.(help/learn),asked to wear,heard sing,told to watch,want,ed to describe,advised not to shout,made fly,helped (to)learn,第16页,1.我父亲经常勉励我努力学习。,My father often encourages me to study hard.,2.去年李老师教我们打篮球。,Mr Li taught us to play basketball last year.,3.语文老师让我们读这篇文章两遍。,The Chinese teacher made us read the article twice.,4.为了经过期末考试,我们必须更努力学习。,We must study harder in order to/to pass the final exam.,In order to/To pass the final exam,We must study harder.,Exercises,第17页,1.Father often tells me _ too much,time on computer games.,河南,A.dont spend B.not spend,C.not to spend D.not spending,2.Why are you so excited?,Peter invited me _ on a trip to,Yuntai Mountain.,河南,A.to go B.go,C.going D.went,I.,单项选择。,第18页,1.A:What else shall we take to the lake?,B:_ me _(let,see).Mr Lee _,us _(tell;take)our raincoats,yesterday.,2.A:What did you hear just now?,B:I _ a frog _(hear;jump),into the water.,3.A:Look,what is the mother crane doing?,B:She _ her baby _,(teach,catch)fish for food.,II.,用所给动词适当形式填空。,Let see,told,to take,heard,jump,is teaching,to catch,第19页,4.A:Look at the sign.What does it say?,B:It _ tourists _(tell,not,use)flashlight (闪光灯)while taking,photos.,5.A:Why do you take a pen and a,notebook?,B:Because Mr Lee _ us _,(advise,write)down what we see.,tells,not to use,advised,to write,第20页,1.老师要我们尽可能保持平静。,The teacher wanted us _,_.,2.老师告诉我们不要落下任何东西。,The teacher told us _,_.,3.我没有看见他们下车。,I didnt _.,III.,完成句子。,to try to keep,quiet,not to leave anything,behind,see them get off,第21页,Thank you,第22页,