《中考英语不定式》PPT课件.ppt

石家庄外国语学校初三英语组王晓敏 TheInfinitive IwouldlikeyoutoworkharderatEnglish TolearnEnglishissoImportant Trytodomoreexercises Itisnevertoolatetomend to 动词原形 Iwantedtoeatdumplingsforsupperlastnight Butmybrotherwantstoeatnoodlestoday AndIdon tknowwhatmyparentswillwanttoeattomorrow 动词不定式没有人称数和时态的变化 Tobeadoctorforanimals isveryrewarding Torefusehimthistime isnotveryeasy 做主语 Myfriendhasplanned togoforaholiday Theboyhasdecided tohelphissisterwithherEnglish 做宾语 want refuse wish need choose hope agree try begin learn remember forget like start Myfatherwishes me tobehappyalways Hisparentsasks him tolistentoEnglishfortwentyminuteseveryday 做宾语补足语 tell ask want allow get wouldlike encourage Ihavenothing tosay Theyhavemanyshoes towash 做定语 Hecametothebigcity tovisithisdaughter Hewashappy toseeher 做状语 Heistooproud tosay sorrytohisfriend TheonlythingIcandois wait Hisjobis takecare ofthechildren towait totakecare 做表语 主语 宾语 宾语补足语 定语 表语 状语 目的 原因 结果 不定式 decide wish want 不定式 动名词 begin start continue learn 动名词 keep enjoy practise finish mind 1不定式做宾语 hope Iforgottobathmyson Iforgotbathingmyson Remembertobringyourbooks Irememberbringingmybooks 1 Didyouremember meinBeijing Ofcourse twoyearsago A toseeB seeingC sawD see B 2 IamsorryIforgot yourbookhere Nevermind A tobringB totakeC bringingD taking A 2 省略to的动词不定式作宾补 make let have hear see notice watch Hemadehismenworklong Weoftenwatchmumcook Hismenweremadetoworklong Mumisoftenwatchedtocook 被动句中省略的to被还原 Ex 1Peopleoftenhearhersingthissong 变被动 Sheisoftenheardtosingthissong 2Manyboysandgirlsaremade whattheyarenot Atodo interestedBtodo interestedinCdo interestedinDdoing interesting B A 情态动词后B hadbetterwouldratherC Whynot D Will Wouldyouplease E help F 两个动词不定式 如果在句中语法功能一样 则省略后一个to Ireallydon tknowwhattodoandsay whattodo howtodoitwhichtobuywho whomtomeet whentoleavewheretogo 3 疑问词 不定式 whethertocome Heaskedhisteacherwhattodonext It sreallyhardforhertodecidewhichtobuy Theydon tknowwheretogo Heaskedhisteacherwhattodonext Heaskedhisteacherwhatheshoulddonext It sreallyhardforhertodecidewhichtobuy It sreallyhardforhertodecidewhichsheshouldbuy Theydon tknowwheretogo Theydon tknowwheretheyshouldgo Ex Thetwowatchesarebothverynice Ireallydon tknow A whattochooseB whichtochooseC tochoosewhatD tochoosewhich B Ireallydon tknow aboutit AwhattodoBhowtodoCtodowhatDhowcanIdo A hasnotbeendecidedyet Youknow AStartBWhenstartCWhentostartDWhenstarting C 4 不定式的否定 1 Hedecidedtodoit Hedecidednottodoit 2 Itishardtodoit Itishardnottodoit 3Youhadbettercome Youhadbetternotcome 4Tracytoldhersontoturnontheradio Tracytoldhersonnottoturnontheradio 5 做主语时的谓语动词 Todomorningexercises importantforyou is Tosavelives themostimportant is 单数 6 做主语的不定式常为it代替it为形式主语 不定式后置 Tokeepourenvironmentcleanandtidyisourduty Itisourdutytokeepourenvironmentcleanandtidy Todanceisalotoffun Itisalotoffuntodance Tolaughatothersiswrong Itiswrongtolaughatothers Totakethesepicturestookmetwodays Ittookmetwodaystotakethesepictures Ittakessb todosth 7 必须用形式主语 Howniceitistosingasonglikethis Whatapityitistomisstheconcert 感叹句 8 用it做形式宾语 Wefinditnicetotalktoyou Wefinditisnicetotalktoyou 9 动词不定式的复合结构 It be adj forsb todo It be adj ofsb todo Itiseasyformetodoit ItisimportantforyoutoreadEnglish Itisniceofyoutocome Itisbraveofyoutodoit of for 1 Itishelpful thestudentstolearncomputer for 2 Itisimpolite youtosayso of 3 Itisnecessary youtobequiet for Itisimportant Englisheveryday AofustoreadBforustoreadCforusreadingDwemustread B 2 right Youwillfindtheshoponyourleft ATurningBToturnCTurnDTurned C 3 Whyis easyforsuchayounggirltolearnthreeforeignlanguagessowell AthisBthatCitDshe C 4 Ineedachair AsitsBtositCtositonDtositonit C Lesson31 Theinfinitive 2 动词不定式 二 构成 to do 动词原形 用法 用作宾语 v todo Iwanttobuyacomputer Shehopestofindabetterjob Iwishtogowithyou needtodolearntodoagreetodoplantododecidetodorefusetodobegintodostarttodotrytodoforgettodoremembertodoliketodoStoptodogoontodo 2 用作宾语补足语 v sb todo Sheaskedmetohelpher Theteachertoldhimtocomeontime Edison smothertaughthimtoreadandwrite wantsbtodowishsbtodogetsbtodoordersbtodofindsbtobelikesbtodowouldlikesbtodohelpsbtodo 作宾语补足语不带to的情况 Letmedoit Isawhimcrossthestreet 常见动词有 使役动词 let make have感官动词 see watch hear feel listento比较 Iheardhersinginginthenextroom Iheardhersinginthenextroom 3 用作状语 adverbial HecametoshowmehisnewCDplayer Iwenttheretoseemyteacher ShecamebacktogetherEnglishbook Theboywastoofrightenedtomove 目的 目的 目的 结果 4 用作主语 1 TobehereatChristmastimeismydream 2 Togoabroadishisdream 3 Tosayiseasy todoisdifficult 这时可将其用形式主语it来替换 ItismydreamtobehereatChristmastime Itishisdreamtogoabroad Itiseasytosay itisdifficulttodo 5 用作表语 Hisworkistofeedtheanimals Herjobistolookafterthepatients Mywishistobeascientist 6 用作定语 Givemesomethingtodrink Ihavetwobookstoread Theyhavemuchfoodtoeat 这时不定式与被修饰词有动宾关系 若是不及物动词 介词不能省略 Heaskedforaroomtolivein Idon thaveapentowritewith Theiceishardenoughtoskateon Heboughtatoytoplaywith 7 疑问词who what which where when how加todo可构成不定式短语 在句中可用作主语 宾语 宾语补足语 表语等 Whentostarthasnotbeendecided Idon tknowwhattodo Hecantellyouwheretogetthebook Thequestioniswho m toask 主语 宾语 宾语补足语 表语 比较 Compare Idon tknowwhattodo Idon tknowhowtodoit Idon tknowwhattodoaboutit Exercises 1 You vedoneverywellthistime It sreallykind A foryoutosaysoB foryousayingsoC ofyoutosaysoD ofyousayingso2 Itisbettertoloseone slifethan A ifyouloseyourspiritB losinghisspiritC toloseone sspiritD yourspiritgettinglost C C 3 Ican tworkinthisway Whynot itinsomeotherway A trytodoB trydoingC tryingtodoD tryingdoing4 Sinceyoufinditdifficult adecision you dbetteradiscussion 讨论 withyourparents A reach haveB reaching haveC reach havingD toreach have B D 5 Myfatherhates 痛恨 Heneveral