Unit1Grammar課件牛津深圳版英語八年級(jí)下冊(cè)

Grammar:InfinitivesUnit

1

Helpingthoseinneed本課教學(xué)目標(biāo)1.掌握不定式的結(jié)構(gòu)2.掌握不定式作賓語、賓補(bǔ)和目的狀語的用法3.掌握不帶to的動(dòng)詞不定式的用法4.能夠在具體語境中正確運(yùn)用不定式InfinitivesDoyourememberhowtohelppeopleinneed?Whatdoyouplan/wanttodo?Iwantto____________________________________.Iplanto________________________________.visitsickchildreninhospitalraisemoneyforpeopleinneedraisemoneyforpeopleinneedSomeverbscanhaveotherverbsafterthem.Weusuallyusetobeforethesecondverb.Wecallthesesecondverbsinfinitives.WorkouttheruleAninfinitiveisthe(base/-ing/-ed)formofaverb.Practice:Threeteenagersofferdosomevoluntaryworkduringtheschoolholiday.to^動(dòng)詞不定式todoto+動(dòng)詞原形動(dòng)詞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作賓語verbobjectHowdoweuseinfinitives?1.Wetaughtthechildren______(tell)stories.2.Marktaughtthechildren_______(sing).3.Myparentsexpectme______(go)toanidealschool.totelltosingtogoobjectadvise

建議某人（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

允許某人（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

告訴某人（不）做某事encourage

鼓勵(lì)某人（不）做某事Practice:MrZhongNanshanadvisedus________________(notgoout)thesedays.nottogoout類似用法動(dòng)詞匯總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疑問詞+todo“禿頭”不定式五看三使，兩聽一感。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)作目的狀語inorderto4.Sheworeaheavycoat______________(keep)warm.5.Shearrivedearly______________(get)agoodseat.inordertokeepinordertogetWhy?toorganizetotaketohelptobringPracticeTip:也可以直接用todo簡單回答why的提問。Howdoweuseinfinitives?1.______(talk)withhimisagreatpleasure.2._______(learn)anewlanguageishelpful.3.________(swim)intheseaisdangerous.TotalkTolearn1.______agreatpleasure_______

withhim.2.______helpful________anewlanguage.3.______dangerous

________inthesea.Itis+adj.+todosth.Usage4:Usedassubject作主語ToswimItistotalkItistolearnItistoswimSummary“todo”1.Infinitivesasobjects(不定式作賓語)3.Infinitivesofpurpose(不定式表目的)例句：AnnietaughtTimtosingbeautifulsongs.補(bǔ)充：1)否定nottodo2)“禿頭”不定式例句：Thesethreeteenagersofferedtodoalotofvoluntarywork.補(bǔ)充：疑問詞+todo例句：Weofferedtodovoluntaryworktohelpchildreninneed.4:

Usedassubject作主語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