Unit 2 语法专题 课件-人教版英语八年级下册

八下英语Unit2I'llhelptocleanupthecityparks语法专题——动词不定式动词不定式的用法Thegirlcouldvisitthesickkidsinthehospitaltocheerthemup.课本原句：这个男孩可以帮助打扫城市公园。Theboycouldhelptocleanthecitypark.这个女孩可以去医院看望生病的孩子，鼓励他们。Thegirlcouldvolunteerinanafter-schoolstudyprogramtoteachkids.这个女孩可以在一个课后学习项目当志愿者，教小孩。动词不定式的构成todo动词不定式的用法作主语Tohaveagoodsleepisveryimportantforourhealth.谓语不定式结构做主语拥有好的睡眠对我们的健康非常重要。作表语Mydreamistobeateacher.系表结构我的梦想是成为一名老师。动词不定式的用法作宾语IplantogohikingthisSaturday.谓语不定式结构作宾语作宾语补足语Sheinvitedmetogotoherbirthdayparty.谓语宾语不定式结构作宾语补足语作定语He'stheonlyonetogetthere.动词不定式的用法作状语Igotupearlytocatchtheearlybus.不定式结构作目的状语动词不定式的用法特殊疑问词+动词不定式Couldyoupleasetellmehowtodoit？不定式作宾语补足语Andydoesn’tknowwhattowear.不定式作主语Howtodealwiththeproblemisthemostimportanttous.不定式作宾语动词不定式的常见搭配decidetodosth.

决定做某事Andydecidedtoworkthere.plantodosth.计划做某事Imisetodosth.

承诺做某事Andyplannedtogoonapicnicthisweekend.refusetodosth.拒绝做某事Thechildrefusedtoeatthepotatoes.动词不定式的常见搭配agreetodosth.同意做某事Andy’sparentsagreetolethergooutwithherfriends.forgettodosth.忘记去做某事Iforgotclosingthewindowsthismorning.forgetdoingsth.忘记曾经做过某事Iforgottoclosethewindowsthismorning.我今天早上忘记关窗了。（窗没有关）我忘记我今天关了窗。（窗关上了但是“我”忘记了）动词不定式的常见搭配tellsb.todosth.告诉某事做某事Ourteachertoldusnottoswimintheriver.advisesb.todosth.建议某事做某事AndyadvisedmetolisteningtomusicwhenIfeltupset.expectsb.todosth.期待谋某人做某事Myparentsexpectmetogetgoodgradesinthefinalexam.巩固练习题：用所给单词的适当形式填空：Parentsshouldalwaystelltheirkids___________(nottalk)withstrangers.—Sam,don’tforget____________(return)thebooktothelibrarytomorrow.—OK,Iwon’t.3.Wesetupthisgroup____________(help)disabledpeoplelikeBenSmith.4.—Canyoucometomybirthdaypartytonight?—Yes,I’dloveto.ButIhavetofinish______(do)myEnglishhomeworkfirst.nottotalktellsb.nottodosth.告诉某人做某事toreturnforgettodosth.忘记做某事tohelp不定式结构作目的状语doingfinishingdoingsth.完成做某事巩固练习题：5.Mr.Zhouisgoodatcookingandhehasdecided__________(open)hisownrestaurant.6.Suepractices__________(play)theviolinhardandoftengiveswonderfulperformances.7..It’snecessaryforus___________(learn)Englishwell.

toopendecidetodosth.决定做某事playingpracticedoingsth.练习做某事tolearnIt’s+形容词+forsb.+todosth.8.MrWuhasrecommendedmanybooks.Haveyoudecidedwhich______(read)first？9.Itoftentakesmetwohours______(do)myhomeworkintheevening.10.Youshoulddowhatyoucan____________(improve)yourEnglish,LiMing.toread特殊疑问词+todotodoIttakessb.+时间+todosth.

花某人多长时间去做某事

toimprove不定式结构作状语11.I’dlovetogohikingwithAndy,butIhavemuchhomework______(do).12.Itwasraining.Myfatheraskedme___________(take)raincoat.13.Youneed__________(make)studyplanfirst.todo不定式结构作宾语补足语totakeasksb.todosth.要求/叫某人做某事tomakeneedtodosth.需要做某事14.

Mary

is

so

sad.

We

have

to

do

something______________(cheer)herup.15.Tomisahumorousboyandhealwaysmakeus_________(laugh)16.Myparentsdon’tallow__________(go)outwithmyfriendsatnight.17.Jane,Johnneedshelp.Let’s________(help)him.tocheer不定式结构作定语laughmakesb.dosth.使某人做某事使役动词+动词原形togoallowsb.todosth.允许某人做某事helpletsb.dosth.使某人做某事使役动词+动词原形18.Mymothergetsupearlyeverymorning__________(make)breakfastforme.19.Iwoundnevergiveupthe