Unit2SportseventsGrammarandusage1.Mynewdictionaryismissing.Who____havetakenit?A.shouldB.mustC.wouldD.could2.—Excuseme.IsthistherightwaytotheSummerPalace?—Sorry,Iamnotsure.Butit____be.A.mightB.willC.mustD.can3.There____beanydifficultyinpassingthefinalexaminationsinceyouhavemadeenoughpreparationsinthetrainingcourses.A.needn’tB.shouldn’tC.mustn’tD.shan’t4.—Wouldyouliketostayforanothertwodays?—Sorry,I_____.Oneofmybestfriendsiscomingtoseeme.A.mustn’tB.can’tC.needn’tD.won’t5.MayIsmokehere?Ifyou__,chooseaseatinthesmokingsection.A.shouldB.couldC.mayD.must6.—Whatdoesthesignoverthereread?—Noperson_____smokeorcarryalightedcigarette,cigarorpipeinthisarea.A.willB.mayC.shallD.must7.John____hisfatherabouthisfailureintheexam.A.daresnottellB.daresnottellingC.darenottellD.daresnottotell8.—Wouldyouhelpmewithmycomputer?Itisbroken.—Certainly,I____.A.wouldB.shouldC.willD.can9.We____finishitaheadoftime,thoughitwassuchatoughtask.A.couldB.wouldC.wereabletoD.oughttoModalverbscan/could表能力(1)Idon’tthinkhecansolvetheproblemwithoutanyhelp.(2)Canyouhelpmetoworkoutthismathsproblem?oughtto/should3.should\shouldn’thavedone●Ishouldhavestudiedhardlastyearbut…●Youshouldn’thavetoldDavidwhatMiketoldyou.4.在表示建议,命令,要求动词后用虚拟语气。1)MyfriendssuggestedthatI(should)payvisittoshanghainextmonth.2)Thechairmandemandedthatwe(should)solvetheproblematonce.5.表示惊讶,忧虑,惋惜等感情色彩。●Iamreallysurprisedthatheshouldtalktohisparentsthatway.●Roseshouldturnhimdown.haveto/mustMakesuggestions提出建议can/beabletocan一般指一个人的能力beableto经过努力后而达到的一定程度（succeedindoing\managetodo）●Mybrothercanplaytabletennis.●Mybrotherisabletodiveunderwaterfor10minutes.shall/willmustn’t\needn’t2)Youneedn’tdothatifyoudon’twantto.3)Mustwecleantheclassroom?Yes,youmust./No,youneedn’t.4)Itisafive-minutewalkfromthestationtomyhouse.Youneedn’thavetakenataxi.(However,youdidtakeataxi.)Haveatry!Practice:1.—__IwaterthetreesonTuesday?—No,youneedn’t.A.CanB.MustC.MayD.Shall2.I_____suchamistakeagain.A.shallnevermakeB.mayneverma