动词不定式是一种非限定性动词省名师优质课赛课获奖课件市赛课百校联赛优质课一等奖课件

UnitOneMakingadifference1/28

PeriodfourGrammar2/28动词不定式是一个非限定性动词,由to＋动词原形组成,但在有些情况下to能够省略。动词不定式在句中能够作主语、宾语、表语、定语和状语。Grammar--不定式3/28

Grammar--不定式的用法Tofinishsomuchhomeworkinadayisimpossible.Toseeistobelieve.Mywishistobeadoctor.Iwanttodoitmyself.4/28

Grammar--不定式的用法Wefounditdifficulttoworkwithhim.Healwayshasalotofmeetingstoattend.Heislookingforaroomtolivein.Istudyhardtoservethepeoplewell.Inordernottobelateshetookabus.5/28Grammar--不定式作主语常见带形式主语it句型：1.Itiseasy(difficult,important,possible,necessary,good,kind,wise,foolish…)todosth.2.Itisapleasure(pity,crime,anhonor…)todosth.3.Ittakes(sb.)sometimetodosth.6/28Itisdifficulttounderstandhim.Itisapleasuretohelpyou.It'sagreathonortobeinvitedtoMary'sbirthdayparty.Ittakesmeanhourtocleantheroom.Grammar--不定式作主语7/28Grammar--不定式作表语不定式作表语时普通紧跟在系动词be,seem,remain,appear,get等后面，用来说明主语内容。常见主语有：one’sdream,business,wish,idea,plan,job,work,task,duty,whatonewantstodo…Mywishistobeadoctor.Mychiefpurposeistopointoutthedifficultiesofthematter.

8/28Grammar--不定式作宾语1.常见不定式作宾语及物动词有：want,hope,wish,agree,promise,decide,determine,fail,manage,offer,prepare,pretend,choose,expect,refuseIliketokeepeverythingtidy.WhenIheardthewords,Ididn’tknowwhethertolaughortocry.IwanttospeaktoTom.9/28Grammar--不定式作宾语2.feel,find,judge,make,think,believe,consider+it+adj./n.+todosth.Hethoughtitagreatpitynottohaveinvitedher.Shemadeitaruletoget

upatfive.10/28Grammar--不定式作宾语补足语Theteachertoldusnottobesonoisyintheclass.Iexpectyoutogivemesomehelpintheexperiment.Fatherwillnotallowustoplayonthestreet.Webelievehimtobeguilty.11/28Grammar--不定式作宾语补足语一些动词后作宾补不定式不带to.一感：feel+sb+dosth.二听:hear,listento三看:see,watch,lookat,observe,notice四使役:let,make,haveSuddenlywefelttheatmospheregrowtense.Whatmadehimdothatagainandagain?12/28Grammar--不定式作定语Ineedapen

towritewith.Inthedarkroom,heevenhadnobed

tosleepon.Ineedsomeone

totype

thelettersforme.Thebuilding

tobebuilt

isalab.13/28Grammar--不定式作定语所修饰名词前有thefirst/last/next,theonly,thebest,themost等序数词或最高级等修饰语时,用不定式作定语.不定式修饰something,anything,nothing.ThenexttraintoarriveisfromWashington.

Iwantsomethingtoread.It’syourturntospeaknow.It’stimetogotoschool.14/28Grammar--不定式作状语Heisluckytogethereontime.Becarefulnottocatchacold.Theystartedearlysoastocatchthefirstbus.Ihurriedtogetthereonlytofindhimout.Theypartednevertoseeeachother.Hestudiedhardonlytofail.15/28Grammar--不定式的省略为了防止重复，作宾语不定式第二次出现时往往省略，只保留不定式符号。在want,wish,hope,like,hate,plan,try,love等词后.Youcantryitagainifyouwantto.--Haveyoulistenedtothemusic?--No,butIplanto.16/28Theenemycandonothingbut__________.Theenemyhadnothingtochoosebut____________.Ihavenothingtodoexcept_____thearticleforhim.Ihavenothingtochooseexcept_______thearticleforhim.

surrendertosurrender当介词but,except前面有实义动词do时,不定式在介词之后能够省去to。Grammar--不定式的省略copytocopy17/28Grammar--不定式的用法Practice18/28Theteacheraskedus_____somuchnoise.A.don’tmakeB.notmakeC.notmaking D.nottomake2.Themanwefollowedsuddenlystoppedandlookedasif___whetherhewasgoingintherightdirection.A.seeing B.havingseenC.tohaveseenD.tosee3.Havingatripabroadiscertainlygoodfortheoldcouple,butitremains____whethertheywillenjoyit.A.toseeB.tobeseenC.seeing D.seen19/284.Withalotofdifficultproblems____,thenewly-electedpresidentishavingahardtime.A.settled B.settlingC.tosettle D.beingsettled5.Sandycoulddonothingbut___tohisteacherthathewaswrong.A.admitB.admittedC.admittingD.toadmit20/286.___lateinthemorning,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.Havingslept7.–Youshouldhavethankedherbeforeyouleft.--Imeant____,butwhenIwasleavingIcouldn’tfindheranywhere.A.todoB.toC.doingD.doingso8.I’veworkedwithchildrenbefore,soIknowwhat____inmynewjob.A.expectedB.toexpectC.tobeexpectingD.expects21/289.Robertissaid____abroad,butIdon’tknowwhatcountryhestudiedin.A.tohavestudiedB.tostudyC.tostudyingD.tohavebeenstudying10.Thepurposeofnewtechnologiesistomakelifeeasier,___itmoredifficult.A.notmake B.nottomakeC.notmakingD.donotmake22/2811.Therearefivepairs____,butI’matalosswhichtobuy.A.tobechosen B.tochoosefromC.tochoose D.forchoosing12.LastsummerItookacourseon____.A.howtomakedresses B.howdressesbemadeC.howtobemadedresses D.howdressestobemade23/2813.Mrs.Smithwarnedherdaughter____afterdrinking.A.nevertodriveB.toneverdriveC.neverdriving D.neverdrive14.Weagreed_____herebutsofarshehasn’tturnedupyet.A.havingmetB.meetingC.tomeetD.tohavemet15.Ratherthan____onacrowdedbut,healwaysprefers____abicycle.A.ride;ride B.riding;rideC.ride;toride D.toride;riding24/2816.—Thelastone____paysthemeal.—Agreed![全国I]A.arrivedB.arrivesC.toarriveD.arriving17.ThereisnothingmoreIcantry_____youtostay,soIwishyougoodluck.[上海]A.beingpersuaded B.persuading C.tobepersuaded D.topersuade25/2818.Whenaskedwhyhewentthere,hesaidhewassentthere____f