初中英语动词不定式完整课件 (2).ppt

非谓语动词非谓语动词一一.掌握非谓语动词结构掌握非谓语动词结构:(not)to do;doing;done 二二.了解非谓语动词在句子中了解非谓语动词在句子中的作用的作用三三.掌握固定句式及固定用法掌握固定句式及固定用法 To see is to believe.Its important to keep healthy.考点一考点一 主语主语不定式作主语时不定式作主语时,往往放在句子的后面往往放在句子的后面,用用it作形式主语作形式主语.forofIts+adj.+sb.+to do sth.Its+adj.+sb.+to do sth1.It is very important for us _ English well.A learn B learning C to learn D learned2.爬那棵高树对于你来说太危险了。dangerous for you _ _ that tall tree.It isto climb（2008甘肃兰州）甘肃兰州）I want to go home.The workers demanded to get better pay.I found it necessary to talk to him again.考点二：宾语考点二：宾语think/consider/find it+adj.+to do 常用动词不定式作宾语的动词有：常用动词不定式作宾语的动词有：hope,prepare,learn,fail,choose,decide,agree,try,pretend,plan.The teacher told me to clean the blackboard.I expect you to give me some help.考点三考点三.宾补宾补四看四看 watch see look at 三让三让 let make have 二听二听 listen to hear warn,tell,allow,help,ask,force等等notice一感一感:feel I made him do his work.He was made to do his work(by me).1.Where is Jim?2.I dont know But I saw him _football just now.A.Was watching B.watching C had watching D.watched2.Did you have anyone _ the trees?yes,I had the trees _.A.to water;water B.to water;watered 1.C.water;to be wtered D.water;watered（2010 重庆重庆）I have something to say.He has a lot of homework to do.He is looking for a room to live in.There is nothing to worry about.考点四：定语（考点四：定语（表示尚未发生的动作）表示尚未发生的动作）(如果不定式中的动词是不及物动词如果不定式中的动词是不及物动词,则不定式中要有介词则不定式中要有介词.)1.不定式所修饰的名词或代词是不定式动不定式所修饰的名词或代词是不定式动作的地点工具等，即使是及物动词，不定作的地点工具等，即使是及物动词，不定式后面仍须有式后面仍须有相应的介词相应的介词。请给我一支写字的笔请给我一支写字的笔.Please give me a pen to write with.2.something,anything,nothing,everything等复合不定代词常用不等复合不定代词常用不定式做后置定语。定式做后置定语。who,whichwho,which,when,how,what ,when,how,what 等连用，在句等连用，在句中不定式与疑问词起名词作用，可充当主语、中不定式与疑问词起名词作用，可充当主语、表语、宾语等。表语、宾语等。He didnt know what to say.他不知道说什么他不知道说什么。(宾语宾语)How to solve the problem is very important.如何解决这个问题很重要。如何解决这个问题很重要。(主语主语)My question is when to start.我的问题是什么时我的问题是什么时候开始。候开始。(表语表语)考点五考点五 连接词连接词+动词不定式动词不定式选用方框内动词适当形式填空。选用方框内动词适当形式填空。1.I saw her _ across the road yesterday(pass).2.She wants her brother _ to university(go).3.My mother asked me _ my clothes yesterday.(watch)4.He invited his classmates _ to his party.(come)5.The teacher helped the students _ English well.(learn)仿例改写下列句子。仿例改写下列句子。(例例)I dont know when I shall go.I don,t know when to go.1.Show them where they should put their bikes._2.Milly asked why she would go earlier._3.The students want to know when they will have the exam._.vI spend many nights 6._ (prepare)lessons,reading test papers,and marking homework.I enjoyed 7._(teach)the lovely and hardworking children,and I could see that they were making progress with my help.I have also learned a lot from them.I understand their lives better,and we are now good friends.v I have worked in Songtao for a year now.Im very happy,and the experience has been very useful for me.Now Im more responsible,and I know how 8._(look)after myself.I love the small village and children.In fact,I would like 9._(keep)10._(work)here.固定句型固定句型:1.had better(not)do sth.最好（不）做某事最好（不）做某事 2.Why(not)do sth.?为什么不做某事为什么不做某事 3.Would you like to do sth?你愿意做某事吗？你愿意做某事吗？4.Could you please do sth?你能做某事吗？你能做某事吗？5.Its+adj.+for(of)sb.+to do sth.做某事怎么样做某事怎么样 6.find it+adj.+to do sth.发现做某事怎么样发现做某事怎么样 7.prefer+to do A rather than (to)8.would rather(not)do sth.9.would rather do A than(do)B 宁愿做某事而不愿做另一件事宁愿做某事而不愿做另一件事