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Section A,Grammar Focus-4c,Section A Grammar Focus-4c,1,Id like to help homeless people.,She decided to try out for a volunteer after-school reading program.,You could ask hospitals to let you visit the kids and cheer them up.,Grammar Focus,Mario believes it can help him to get his future dream job.,She volunteers there once a week to help kids learn to read.,Im making some signs to put up around the school.,Id like to help homeless peop,动词不定式,动词不定式是一种非谓语动词形式，在句中不能作谓语，没有人称和数的变化。,基,本形式：,to,动词原形,，有时,to,可以省略；,否定形式：,not,+,动词不定式,。,动词不定式具有名词、形容词和副词的特征，因此可以在句中作主语、宾语、宾语补足语、定语和状语等。,动词不定式 动词不定式是一种非谓语动词形式，在句中不能作谓,一、作宾语,动词不定式（短语）可以放在一些动词后,面,用,作宾语，能以动词不定式作宾语的动词有,：,begin,want,remember,agree,learn,like,decide,fail,pretend,demand,refuse,等。,一、作宾语动词不定式（短语）可以放在一些动词后面,例如：,I want to tell you a story.,They begin to work at eight every morning.,Dont forget to lock the door.,Would you like to go and have a picnic with us tomorrow?,例如：,二、作宾语补足,语,动词不定式作宾语补足语，表示宾语所做的动作，可以用动词不定式作宾语补足语的动词有：,tell,ask,want,like,invite,encourage,help,等。如：,The,teacher asked us to read English for half an hour in the morning.,The teacher often tells Jim not to spend too much time playing computer games.,Please let me help you,.,二、作宾语补足语,但在,let,make,see,watch,hear,feel,notice,have,等感官听觉动词或使役动词,后面作宾语补足语的动词,其不定式一般要省略动词不定式符号“,to,”，,可以归纳为以下三种句式：,1.,不可以省略,to,的不定式作宾语补足语,:,tell/ask/want/would like/wish/,但在let,make,see,watch,hear,suppose/invite/encourage/teach/depend on,等,+sb.+to do sth.,例如：,The teacher told us to come earlier.,Tom invited me to his birthday party.,Her parents wish her to be a teacher.,suppose/invite/encourage/t,2.,省“,to,”的,不定式作宾语补足语：,let/make/have+sb.+do sth.,例如：,Let the girl leave here now.,The boy made the baby cry.,see/watch/hear/notice/feel+sb.+do sth.,例,如：,I saw the students play basketball on the playground yesterday.,I often hear the girl sing in the next room.,2.省“to”的不定式作宾语补足语：,3.,可省可不省的,:,help sb.,（,to,）,do sth.,例如：,I often help my mother(to)do housework,.,三,.,作状语,:,（,1,）作目的状语。强调动词不定式所表示的目的时，动词不定式可用,in order to,或,so as to+,动词原形,，,so as to,不用于句首,。,3.可省可不省的:help sb.（to）do sth.,例如：,He stopped,to have a,rest,.,The bus stopped,so as to pick,up passengers,.,（,2,）作结果状语。,例如：,He woke up,only to find everybody gone.,His grandma lived,to see the liberation of China.,He is old enough,to go to school.,例如：,（,3,）在某些表示喜、怒、哀、乐等的形容词后作原因状语。例如,：,Im,proud,to have taken part in,the competitions.,Im,happy,to have found many things,I,can do.,（3）在某些表示喜、怒、哀、乐等的形容词后作原因状语。例如：,（,1,）动词不定式的否定式是直接在,to,之前加,not.,如：,Tell them,not,to play football in the street.,（,2,）省略,to,的动词不定式的否定式是直接在动词前面加,not.,如：,Let the boy,not,go.,动词不定式的否定形式：,（1）动词不定式的否定式是直接在to之前加not.如：动词,13,1.I want to _ my plan to work in an,animal,hospital until next summer.Im too,busy,with my studies this year.,2.She hopes to _ at least,five primary,schools,to ask if they,need volunteers,for,their after-school,programs.,put up hand out call up cheer up,come up with give out put off,put off,call up,4,a,Fill in the blanks with phrasal verbs in the box.,1.I want to _ my plan t,3.Our class is trying to,_,_,_ some,ideas to,_ sick children,because they,are often,sad.,4.We decided to,_ signs,around,the,school and,_ notices to,tell,students,about,the,book,sale.We,will _,the,money,from,the,sale,to,homeless people.,come up with,cheer up,put up,hand out,give out,3.Our class is trying to _,help move do make visit spend,Most people today are only worried about getting good jobs,_,_,_,lots of money.In their free time,they think about what _ for fun.However,few people think about what they can do _ others.There are many people who are less lucky than us.,Volunteering,to do,to help,to make,Fill,in the blanks with the,correct,forms,of the verbs in the box.,4,b,help move do make vi,our time,to,help these people is a good way _ our free time.For example,we,can,make,plans _,sick children in,the,hospital,or raise money for homeless people.Some people even stop doing their jobs for a few months to a,year _,to another place,like one of the countries in Africa,and help people there.,to spend,to visit,to move,our time to help these people,Complete,the sentences with,your own,ideas.Use infinitives.,Id like to volunteer _.,At,12:00 a.m.,I called my friend,_,_,_.,at the food bank to,help the poor,t,o play basketball,at,the playground,4,c,Complete the sentences with yo,3.Im very busy but I could,help,_.,4.Summer vacation is coming,and I want,_.,5.I want to travel alone,but my parents told,me(not)_.,to look after my little sister,.,to go to the beach with my,friends,not to do it,alone,3.Im very busy but I could h,1)Id like,_,_,_,homeless people.,2)She decided _ for a,volunteer after-school,reading program.,3)You could ask hospitals,_,you visit,the kids,and cheer them up.,I.,填空,。,to help,to try out,to let,Exercises,1)Id like _ homeless,4)Mario believes it can help him _ his,future dream job.,5)She volunteers there once a week _,kids,learn,_,_,_.,6)Im making some signs _ around the school.,to get,to help,to read,to put up,4)Mario believes it can
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