Unit1Grammar课件牛津深圳版英语八年级下册

Grammar:InfinitivesUnit

1

Helpingthoseinneed本课教学目标1.掌握不定式的结构2.掌握不定式作宾语、宾补和目的状语的用法3.掌握不带to的动词不定式的用法4.能够在具体语境中正确运用不定式InfinitivesDoyourememberhowtohelppeopleinneed?Whatdoyouplan/wanttodo?Iwantto____________________________________.Iplanto________________________________.visitsickchildreninhospitalraisemoneyforpeopleinneedraisemoneyforpeopleinneedSomeverbscanhaveotherverbsafterthem.Weusuallyusetobeforethesecondverb.Wecallthesesecondverbsinfinitives.WorkouttheruleAninfinitiveisthe(base/-ing/-ed)formofaverb.Practice:Threeteenagersofferdosomevoluntaryworkduringtheschoolholiday.to^动词不定式todoto+动词原形动词小跟班不定式的用法Thesethreeteenagersofferedtodoalotofvoluntarywork.BettyMarkAnnieWe(1)________________(decide/meet)Vivientoday.We(2)_________________(want/help)herinsomeway.Whenwearrived,Vivienwasveryhappy.

She(3)_______________(begin/talk)tomeaboutherschool.Shesaid,“I(4)__________(like/go)toschool,butIdon’thaveanyfriends.Ifeellonely.”Mumgavehersomeadvice.ThenMumaskedmetogiveVivienherpresent,butI(5)_________________(forget/bring)it!Viviensaid,“It’sOK.I(6)___________(hope/see)youagainsoon.”decidedtomeetwantedtohelpbegantotalkliketogoforgottobringhopetosee

MarkandhismothervisitedVivien.Markistellinghisfriendsaboutthevisit.Completehiswordswiththecorrectformsoftheverbsinbrackets.(P7)Payattention!Tense!How

doweuseinfinitives?1.Threeteenagersoffered______(do)somevolunteerwork.2.Cindywanted_______(paint)apictureofthepark.3.Weneed______(tohelp)thechildren.todotopainttohelpchoose,hope,offer,want,decide,learn,plan,wish,like,hate,begin,agree,help,pretend,promise,forget,remember,etc.Usage1:Usedasobject作宾语verbobjectHowdoweuseinfinitives?1.Wetaughtthechildren______(tell)stories.2.Marktaughtthechildren_______(sing).3.Myparentsexpectme______(go)toanidealschool.totelltosingtogoobjectadvise

建议某人（不）做某事want

想要某人（不）做某事teach

教某人（不）做某事warn

提醒某人（不）做某事allow

允许某人（不）做某事ask叫某人（不）做某事order

命令某人（不）做某事expect

期待某人（不）做某事tell

告诉某人（不）做某事encourage

鼓励某人（不）做某事Practice:MrZhongNanshanadvisedus________________(notgoout)thesedays.nottogoout类似用法动词汇总sb.(not)todosth注意：否定形式

nottodo✳Doyourememberhowtohelppeopleinneed?Practice:Weshouldknow______________________(如何戴口罩).Ihaven'tdecided______________________(去哪里).Wecanusequestionwords+to+infinitivesafterdecide,know,learnandremember.Doyouknowhowtohelpdisabledchildren?Thingstoremember

howtowearmaskswheretogo疑问词+todo“秃头”不定式五看三使，两听一感。Practice:

Ioftenhearmyneighbour__________(play)thepiano.Hesawhissister________(draw)apicturelastnight.

Thingstoremember

Weuseinfinitiveswithouttoaftersomeverbs,suchasletandmake.Mummademegotobedearly.drawplaymakesbdoHowdoweuseinfinitives?1.Shecame_________(collect)herbooks.2.Heboughtflowers___________(decorate)hisroom.3.Jackgotupearly_______(catch)thefirstbus.tocollecttodecoratetocatchUsage3:Usedasadverb(ofpurpose)作目的状语inorderto4.Sheworeaheavycoat______________(keep)warm.5.Shearrivedearly______________(get)agoodseat.inordertokeepinordertogetWhy?toorganizetotaketohelptobringPracticeTip:也可以直接用todo简单回答why的提问。Howdoweuseinfinitives?1.______(talk)withhimisagreatpleasure.2._______(learn)anewlanguageishelpful.3.________(swim)intheseaisdangerous.TotalkTolearn1.______agreatpleasure_______

withhim.2.______helpful________anewlanguage.3.______dangerous

________inthesea.Itis+adj.+todosth.Usage4:Usedassubject作主语ToswimItistotalkItistolearnItistoswimSummary“todo”1.Infinitivesasobjects(不定式作宾语)3.Infinitivesofpurpose(不定式表目的)例句：AnnietaughtTimtosingbeautifulsongs.补充：1)否定nottodo2)“秃头”不定式例句：Thesethreeteenagersofferedtodoalotofvoluntarywork.补充：疑问词+todo例句：Weofferedtodovoluntaryworktohelpchildreninneed.4:

Usedassubject作主语I.Fillintheblankswithcorrectformsofthegivenwords.1.Hehas_______________aboutthehistoryofhiscountry.(plan/write)2.Hedidn’thaveenoughmoney,sohe_________________

thebill.(want/Jane/pay)3.Westartedourjourneyearly_________thetraffic.(avoid)4.Itispolite____________whenyouhavebotheredothers.(apologize)5.Johnalways________________onthesofa.(let/thedog/sleep)plannedtowritewantedJanetopaytoavoidtoapologizeletsthedogsleepobjectadverbofpurposeItisadj.todoletsb.do(bareinfinitive)I.Fillintheblankswithcorrectformsofthegivenwords.6.We______________outsidethecinemaat3p.m.tomorrow.(agree/meet)7.______________meeveryday,willyou?(promise/call)8.Theyspokequietly____________thechildren.(notwake)9.Thedoctor________________twopillseveryfourhours.(advise/me/take)10._______theGreatWallismylife-longdream.(visit)agreetomeetPromisetocallnottowakeadvisedmetotakeTovisi