初中情态动词简明用法及练习 3页

如有侵权，请联系网站删除，仅供学习与交流初中情态动词简明用法及练习【精品文档】第3页\n如有侵权，请联系网站删除，仅供学习与交流初中情态动词简明用法及练习▲can　　cannot=can’t1.表示能力，意为“能、会”。≈beabletocan’t意为“不能”如：A:Canyousing?B:Yes,Ican.No,Ican’t.2.“可以”,没有could委婉,没有may正式。can’t意为“不可以”用can’t还可表示推测，“不可能”、“不一定”,表示说话人心里有十足的把握。▲could1.can的过去式2.“可以”（常用在一般现在时的一般疑问句中），比can委婉,没有may正式。回答一律用can或can’t如：A：CouldIopenthewindow?B：Yes, youcan.或  No, youcan’t. ▲must1．“应该、必须”，强调说话人的主观看法，常含有命令、被命令的意味。A:Musthego?B:No,heneedn’t/doesn’thaveto./mustn’t或Yes,hemust.2．表示推测，“一定”＊mustn’t表示“禁止”，意思是“不应该、不必、不许”。（不表示“不一定”）▲may1“可以”，比can正式。maynot译成“不可以”如：A:MayIstayathome?B:No,youmustn’t/can’t/maynot.或Yes,youmay.2表示推测，“可能”maynot译成“可能不”，表示说话人心里没多大把握。▲should≈oughtto的用法：“应该”，大多数情况下可以互换。表示规劝。should的否定式为shouldn’t；oughtto的否定式为oughtn’ttoA:OughtItostopsmoking?B:Yes,yououghtto./No,yououghtn’tto.▲will将要否定式：willnot=won’t▲would①.will的过去式②.will更委婉的说法，常和like构成wouldlike(想要)▲need的用法1.作为情态动词，need一般只用于否定句和疑问句中。Youneedn’ttrytoexplain.Need she do it at once？Yes, she must.  No, she needn't. 2.need作为实意动词比作为情态动词常用的多。实意动词need可用在所有句型中。Youdon’tneedanyhelpfromothers.Dotheyneedthis?needtodosth需要去做sth如：Sheneedstocometomorrow.needdoingsth≈needtobedonesth需要被dosth，具有被动的意味,如：Thebikeneedsrepairing.≈Thebikeneedstoberepaired.情态动词的特点：1.后面必有一个动词原形。和后面的动词原形一起做谓语。2.单三是本身。3.否定，加not;问句，提前。情态动词单选练习题你知道的情态动词和半系动词有哪些？特点各是什么？1.–Whoseshirtisthis?–It_______beLiLei’s.Itistoobigforhim.A.mayB.mustC.can’tD.x2We___dowellintheexam.A.canbeabletoB.beabletoC.canabletoD.areableto3-MayItakethisbookout?-No,you___.A.can'tB.maynotC.needn'tD.aren't4You___goandseeadoctoratoncebecauseyou'regotafever.A.canB.mustC.dareD.would5-CanyouspeakJapanese?-No,I____.A.mustn'tB.can'tC.needn'tD.maynot6-He___beintheclassroom,Ithink.-No,he___beintheclassroom.Isawhimgohomeaminuteago.【精品文档】第3页\n如有侵权，请联系网站删除，仅供学习与交流A.can;maynotB.must;maynotC.may;can'tD.may;mustn't7Thebeststudentsinourclasscan'tworkoutthisproblem,soit___beverydifficult.A.mayB.mustC.canD.need8Heisn'tatschool.Ithinkhe___beill.A.mayB.shallC.shouldD.hasto9___Itakethisone?A.MayB.WillC.AreD.Does10Thechildren___playfootballontheroad.A.can'tB.canC.mustn'tD.must11You___belateforschoolagainnexttime.A.mustn'tB.needn'tC.don'thavetoD.don'tneedto12-MustIdomyhomeworkatonce?-No,you___.A.needn'tB.mustn'tC.can'tD.maynot13Hisarmisallright.He___goandseethedoctor.A.hasnottoB.don'thavetoC.haven'ttoD.doesn'thaveto14--CanItellPeteraboutthenews?--No,Idon’twantanyoneelsetoknowit.Youkeepittoyourself.A.mustB.mayC.canD.x15-___Itakethenewspaperaway?-No,youmustn't.You____readitonlyhere.A.Must;canB.May;canC.Need;mustD.Must;must16Comeon!We___hurrybecausethereisn'tmuchtimeleft.   A.may  B.must  C.can  D.need17-Wouldyouliketogoboatingwithus?-Yes,___.A.I'dlikeB.IwantC.I'dliketoD.Ido18-Wouldyoulikeacupoftea?-_____.I’mthirsty.A.Yes,please.B.No,thanksC.Yes,IwouldD.No,Iwouldn’t19.-Wouldyouliketogoshoppingwithme?-_____.A.Yes,please.B.No,thankC.Yes,IwouldlovetoD.No,Iwouldn’t20.-MayIgoout?-No,you______.A.mustB.need’tC.can’tD.x21.You______betired(累)afterplayingsportsforalongtimewithoutarest.A.mustB.needC.can’tD.x【精品文档】第3页