八年级上动词不定式复习(课堂PPT)

1,动词不定式,2,IammoreinterestedtoseethepandasintheWolongPandaReserve.Itallowspeopletogetclosertothem.Itssadtothinkofpandasandotheranimalsindanger.Weneedtoprotectthembetter.Manyanimalsdonthaveasafeplacetolive.Ithinkweallneedtohelpanimalsliveinpeace.,体会下列的含有动词不定式的句子：,3,7.Wewanttosaveanimalsindanger.8.Yourmoneypaystolookaftertheanimals.9.Thatmeanswecangivemoneytohelpprotecttheanimals.10.Letsfindoutwhatelsewecandotosaveasmanyanimalsaspossible.11.Pleaselethimnotgothere.12.Iamhappytoseeyouagain.,4,动词不定式:,肯定式:todo否定式:nottodo省略to的:do,5,作主语,Tohearyourvoiceissonice.Tostudyhardisveryimportant.,Itissonicetohearyourvoice.,Itisveryimportanttostudyhard.,不定式作主语时，通常用it作形式主语，把真正的主语放在后面。,注意:,1、Itis+adj.for/ofsb.todosth.,6,It+be+adj.+for/ofsb.todosth.for:adj.多为描述不定式行为的特征（important/necessary/interesting等.）of:adj.多为描述主语的品质特征（kind/nice/friendly/wise/foolish等.）,作主语,Itiseasy_hertolearnEnglishwell.Itisclever_youtosolvetheproblem.,of,for,7,2、Ittakessb.sometimetodosth.,Ittakesmethreehourstofinishthehomeworkeveryday.,作主语,我每天花去三个小时完成家庭作业。,Ispendthreehoursfinishingthehomeworkeveryday.,8,3、Itis+n.(forsb)todosth.,Itsagoodidea(foryou)toreadEnglisheveryday.ItismypleasuretohelpyouwithyourEnglish.,作主语,9,4、用在谚语中,Toseeistobelieve.,Tosayiseasy,buttodoishard.,作主语,10,1、Itisnecessary_ustolearntowait.(of/for)2、Itwascareless_metobreakthecup.（of/for)3、Ittookthem1,000yuan_thistable.(buy)4、Itismypleasure_theboxforyou.(carry),tobuy,for,of,tocarry,练习,11,动词不定式,作宾语,C、,动词+todo,动词+疑问词+todo,动词+it(形式宾语）+宾补+todo,常见动词有agree,decide,need,hope,wish,want,plan,promise,offer,learn,stop,forget,remember,try等,Idontknowwhattodo.,IfinditimportanttolearnEnglish.,返回主页,12,特殊词精讲:,13,stopdoing/todo,stoptodo停下来去做另一件事，stopdoing停止正在做的某事。Eg:他们停下来吸烟。Theystoptosmoke.我必须戒烟了Imuststopsmoking.,14,forgettodo忘记要去做某事，forgetdoing忘记做过某事。Eg：办公室的灯还在亮着，他忘记关了。(没有做关灯的动作Thelightintheofficeisstillon.Heforgottoturnitoff.他忘记他已经关了灯了。（已做过关灯的动作）Heforgotturningthelightoff.,forgetdoing/todo,15,rememberdoing/todo,remembertodo记得去做某事rememberdoing记得做过某事记着放学后去趟邮局。Remembertogotothepostofficeafterschool.你不记得以前见过那个人吗?Dontyourememberseeingthemanbefore?,16,trydoing/todosth.,trytodosth.努力,尽力做某事Althoughmathsisdifficult,Iwilltrytostudyit.trydoingsth.试着做某事Themachinecouldntwork.Letstryrepairingit.,17,1、Dontforget_.(关灯)2、Ineeded_whenhecalledme.（出去）3、Idontwant_.(依赖别人）4、Samislearning_.(怎样开车）5、Wepromise_theenvironment.(保护),toturnoffthelight,togoout,todependonothers,howtodriveacar,练习,toprotect,18,LiMeiaskedmetoshowherthenewbook.,注：有以上结构的常用动词有tell,ask,want,like,allow,advise,teach等。,(不带to的不定式),注：常用的动词是：感官动词see,hear,feel,watch,notice；使役动词have,make,let.,返回主页,19,动词多为感官动词、使动词。一感：feel二听：hear,listento三使：make,let,have四看：see,notice,watch,lookat,Johnsmothermakeshimplaythepianoeveryday.,被动：,John_playthepianoeveryday.,ismadeto,2、动词+宾语+不带to的不定式,20,1、Lethim_theworkatonce.(finish/tofinish)2、Doyoulikelisteningtootherpeople_?(talk/talking/totalk)3、Illhelpyou_thisproblem.(tosolve/solve)4、Pleasetellher_hereontime.(come/tocome),finish,talk,(to)solve,tocome,练习,21,1、主语+be+todosth主语多为duty/wish/hope/idea/plan/ambition/dream/work/job等名词,1、Mydreamistobeasinger.2、Hisworkistocleantheclassroomeveryday.,作表语,我的梦想是成为一名歌手。他的工作是每天清扫教室。,22,放在被修饰词的后面,Ihavealotofworktodo.Iwanttofindsomethingtodrink.,作定语,不定式为不及物动词时后面应有必要的介词。,Imlookingforahotel_.A.stayB.stayatC.tostayD.tostayat,D,位置：,23,1、原因状语:主语+be+adj.(表情感)+todosth.(happy/gladangry/sorry/sad/afraid等),Imsorrytohearthat.,作状语,Imgladtoseeyou.,24,2、目的状语,Thesoldierranintotheroomtosavethegirl.,_thesoldierrunintotheroom?,Whydid,Manyparentssendtheirchildrenabroad_.(深造学习),tofurthertheirstudies,25,3、结果状语too+adj./adv.+todosth.adj./adv.enoughtodosth.,Youaretooyoungtodothisjob.,Heranfastenoughtocatchthebus.,26,enjoy,finish,keep,mindsuggest,canthelp,e.g.1.他对听音乐总是兴致勃勃。Healwaysenjoyslisteningtomusic.2.我打扫完房间了Ihavefinishedcleaningtheroom.3.你不能像这样老变主意。Youshouldntkeepchangingyourideaslikethis.,+doingsth.,II.,27,4.Wouldyoumind_withyou?5.Hesuggested_forawalk.6.Icouldnthelp_.,mycoming,goingout,crying,28,Exercises:,1.-Youvedoneverywellthistime.-Itsreallykind_.A.foryoutosaysoB.foryousayingsoC.ofyoutosaysoD.ofyousayingso2.Itisbettertoloseoneslifethan_.A.ifyouloseyourspirit(灵魂)B.losinghisspiritC.toloseonesspiritD.yourspiritgettinglost,C,C,29,3.Icantworkinthisway.-Whynot_itinsomeotherway?A.trytodoB.trydoingC.tryingtodoD.tryingdoing4.Sinceyoufinditdifficult_adecision,youdbetteradiscussion(讨论)withyourparents.A.reach;haveB.reaching;haveC.reach;havingD.toreach;have,B,D,30,5.Myfatherhates(痛恨)_.Heneverallowsme_.A.tosmoke;tosmokeB.smoking;smokingC.smoke;smokingD.smoking;tosmoke6.Thegirlwasbeginning_.A.getangryB.togetangryC.gettingangryD.angry,D,B,31,7.Thereis