粤人版小学六年级下册情态动词专项（学生版）.docx
粤人版小学六年级下册情态动词专项一、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、情态动词的种类：情态动词有can（could）,may,must,haveto,shall（should）,will（would）,need等，这些是小学阶段需掌握的情态动词。三、情态动词的用法：>can,（could过去式）1）表示能力（体力、知识、技能）。Canyouliftthisheavybox?（体力）Marycanspeakthreelanguages.（知识）Canyouskate?（技能）2）表示请求和允许。CanIgonow?CouldCanyouhelpme?Yes,ofCourseACertainlyASure.CouldCanyoutellmethewaytotheZoo?3）表示推测（惊讶、怀疑、不相信的态度），用于疑问句、否定句和感叹句中。Canthisbetrue?Thiscan,tbedonebyhim.Howcanthisbetrue?>may1）表示请求和允许。否定回答时可用can3或mustnt表示“不可以，禁止”。MayIsmokeinthisroom?No,youmustn,t.MayItakethisbookoutoftheroom?Yes,youcan.（No,youcan,t/mustn,t）用Mayl？征徇对方许可时比较正式和客气，而用CanI.?在口语中更常见。2）表示推测、可能性（不用于疑问句）。1. Hemaybeverybusynow.2. Yourmothermaynotknowthetruth.3）用于祈使句，表示祝愿。Mayyousucceed!>must,haveto1）must表示必须、必要，带有命令强制口气；而haveto表示不得不，很勉强，强调客观需要。Youmusteintime.Wemusthelpeachother.Mysisterisill;mymotherhastolookafterher.IhadtoworkwhenIwasyourage.注意：must的否定形式mustn't表示禁止，意思是“不能，不许”。在回答由must引起的疑问句时，如果是否定的，不能用mustrft（禁止，不准），而用needn,t,don,thaveto（不必要）。Mustwehandinourexercisebookstoday?Yes,youmust.No,youdon,thaveto/youneedn,t.2）must表示推测、可能性（只用于肯定的陈述句），意思为“一定是,必然1. You,reTom,sgoodfriend,soyoumustknowwhathelikesbest.2. Yourmothermustbewaitingforyounow.>shall,1） shall用于第一人称，征求对方的意见。WhatshallWedothisevening?2） shall用于第二、三人称，表示说话人给对方的命令、警告、允诺或威胁。1. Youshallfailifyoudon,tworkhard.（警告）2. HeshallhavethebookwhenIfinishit.（允诺）3. HeshallbePUniShed.（威胁）>ShoUId和ShOUIdn't表示应该劝告、建议。Ishouldhelpherbecausesheisintrouble.Youshouldgotoclassrightaway.Sheshouldn,tplayputergamestoomuch.>will（过去式WoUId）1）做助动词，表示一般将来时，将要。Hewillbehomeatsix.Bobwillleaveschoolnextmonth.2）作为情态动词时表示“愿意”“意愿”“会LIwillhelpyou.Iwillneverdothatagain.Will/Wouldyoupassmetheball,please?【即学即练】（一）用适当的情态动词填空。3.1 MustIborrowthebookwithmyIDcard?No,you.3.2 useyourcar?Yes,you.3.3 gohomenow?No,youstayhere.4. Mymotherisill.Istayathomeandlookafterher.5. youlikesometea?6. Youtakemoreexercise.7. youtellmehowtogettotheQingyunPark?8. Theclocktellusthetime.9. youliketogofishingwithme?10. Weplayfootballthisafternoon?（一）按要求改写句子。1. Icanrunfast.Ifast.（否定句）2. Youmustreturnthebooknow.（一般疑问句）Ireturnthebooknow?No,you.3. Hecanplaybasketballwell.（一般疑问句）hebasketballwell?4. Theymusttakethebooksoutoftheroom.（否定句）Theythebooksoutoftheroom.5. Heshouldgetupearly.（否定句）Hegetuplate.（三）对划线部分提问。1. Wemustn,tpicktheflowersinthepark.2. Weshouldplantmoretrees.2.1 wouldlikesomecakestoeat.4. ShecouldswimSyearsagQ5. Weshouldprotectanimalsbecausetheyare。UrgOQdfriendS6. Tomcouldgotothecinema（电影院）withhissister.（四）单项选择。1）Lucyshould_herhomeworknow.A.finishesB.finishingC.finishedD.finish2）Mymotherwouldbacksoon.A.cameB.esC.eD.wille3）Couldyoumeahand.A.givingB.givesC.givenD.give4）ShouldInow.A.startedB.startingC.startD.starts5）Itakethisone?A.CouldB.WillC.AreD.DoA.mustn'tB.can,tC.couldn'tD.maynot7)Yougoandseeadoctorbecauseyouhadafever(发烧).A.couldB.mightC.shouldD.would8)Jimetonight,butheisn,tverysureyet.A.shouldB.mightC.wouldD.shall9)Thechildren_playfootballontheroad.A.couldn'tB.couldC.mustD.mustn't10)CanItakethisbookout?No,you_A.mustnotB.couldnotC.willnotD.aren,t11)_liketogowithyou.A.couldB.wouldC.shouldD.will12)Sheisbleeding(流血).Shegotohospitalquickly.A.couldB.wouldC.shouldD.will13)YouwatchTVafterfinishingyourhomework.A.wouldB.canC.mustD.should14)Itislate.Igohomenow.A.couldB.wouldC.shouldD.will15)WhatIdoatthemeeting?A.hastoB.wouldlikeC.shouldD.notshould6)CanyouspeakEnglish?No,I
