小学情态动词总复习

1情态动词一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。二、小学阶段常见的情态动词：情态动词词义否定形式词义can能够，会can’t不能，不会could能够，会couldn’t不能，不会may可以／／must必须mustn’t不允许，不能shall将，要／／should应该shouldn’t不应该will将会won’t不会would将会，愿wouldn’t不会，不愿三．用法特点⑴它们必须与其他动词连用，即：肯定：情态动词＋动词原形：Hecanswim.否定：情态动词+not+动词原形：Hecannot(can’t)swim.一般疑问句：把情态动词提前：Canheswim?Yes,hecan./No,hecan’t.表示说话人对所述动作的看法，如需要、可能、意愿或怀疑等。⑵情态动词没有人称和数的变化，即第三人称单数不加-s，有些情态动词有时态的变化⑶在意义上，情态动词具有“多义性”。例：can既可表示能力，又可表示可能、允许等意义。四、情态动词的用法及主要句型：1、CanIhelpyou?——Yes,please./No,thanks.2、Can+主语+动词原形?Yes,～can.No,～can’t.3、CanIborrow（借用）yourbook?----Yes,ofcourse.4、CanIwriteonthebook?------No,youcan’t\mustn’t.5、Could\Canyouhelpme?----Yes,ofcourse.\Certainly.\Sure.6、Could\Canyoutellmethewaytothezoo?7、MayIcomein?-----Comein,please.8、MayIsithere?-----Yes,please.\Sorry,pleasedon’t.29、MayIhavesomeCoke?----Yes,ofcourse.10、May/Could/CanIspeaktoTom?-----Speaking.Who’scalling?11、should、shouldn’t表示劝告：1)Heshouldgetupearly.2)Sheshouldn’tplaycomputergametoomuch.12、Should+主语+动词原形?Yes,～should.\No,～shouldn’t.13、表示建议“你愿意…吗”Wouldyouliketogoshoppingwithme?-----Yes,I’dloveto./I’dloveto.ButI’mbusynow.14、就餐用语Wouldyoulikesomethingtoeat\drink?----Yes,I’dlike…15、shall用于第一人称(I,we),可以表示“将”和表示建议“……好吗?”1)Whereshallwehavedinner?2)Shallwegofishing?-----Allright.\OK.\Goodidea.16、Must+主语+动词原形?---Yes,～must.\No,～needn’t.情态动词练习一．按照要求改写句子1.Icanrunfast.I________________fast.(否定句)2.Youmustreturnthebooknow.（一般疑问句）________Ireturnthebooknow?No,you________.3.Hecanplaybasketballwell.（一般疑问句）_______he______basketballwell?4.Theymusttakethebooksoutoftheroom.（否定句）They________________thebooksoutoftheroom.5.Heshouldgetupearly.(否定句)He_______getuplate.6.DanielmustwatchTVeveryevening.(改为否定句)___________________________________________________7.Ican’tdomyhomeworkeveryday.(改为肯定句)________________________________________________________8.You’llneedyourbookandpen..(改为否定句)3_______________________________________________________9.Weshalllikeplayingcomputergames.(翻译句子)________________________________________________________10.Sheshouldgotoschooleverymorning.(改为否定句)_______________________________________________________11.HecanspeakEnglishverywell.(翻译句子)__________________________________________________________12.Wouldyouliketodrinkcoffee?(肯定回答)________________________________________________________13.Shecanwalkquickly.(否定句)14.Theycanpaintthewallwell.（一般疑问句）________________________________________________________15.Tommustcarrytheboxintotheroom.（否定句）________________________________________________________16.Sheshouldreachthestationearly.(否定句)________________________________________________________二．单项选择。（）1.youlikesomemilk?A.WouldB.CouldC.Can（）2.Wepicktheflowerinthepark.A.can’tB.don'tC.mustn’t()3.Weshouldmoretrees,andweshouldn’tcutanytrees.A.plantB.plantingC.plants()4.MayIhavesomecoffee?A.Yes,youhave.B.Yes,youcan.C.Yes,certainly.()5.Shallwevisitthefactory?A.Yes,wedo.B.Yes,weshall.B.Allright.()6.Wouldyoulikesomethingtoeat?A.Yes,wewould.B.Yes,I’dlikesomecakes.C.Yes,ofcourse.()7.WhatcanIdoforyou?A.Yes,youcan.B.No,Icandoit.C.Yes.I’dlikesomeoranges.（）8.youlikesomebread?4A.WouldB.CouldC.Can（）9.Wethrowthewasteinthezoo.A.aren’t`B.don'tC.mustn’tA.Yes,youhave.B.Yes,youcan.C.Yes,certainly.()11.Wouldyoulikesometea?A.Yes,thankyou..B.Yes,please.B.No,hereyouare..()12.CanIhelpyou?A.Yes,youcan.B.No,Icandoit.C.Yes.I’dlikesomeoranges.()13.MayIyoureraser?AuseBhasCusing()14.Canshehigh?AjumpsBjumpingCjump()15.WhatshouldAmyforhermum?AbuysBbuyingCbuy()16.Theymayinthelibtary.AreadBreadingCreads()17.Iwouldlikeshoppingwithyou.AgoingBtogoCgo()18.WhatwillZhouLin?AdoBdoingCdoes()20.Theymust.AfriendlyBarefriendlyCbefriendly