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ID:34250851
大小:58.17 KB
页数:3页
时间:2019-03-04
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1、II.While-task1.Askingstudentstodoexercise2onpage5—•Studentstogetherorvolunteeringtoanswerthequestion・whataretheusesofthegivenmodalverbsineachsentences(5mins)2.Studentssummarizingtheuseofthegivenmodalverbs(5mins)ModalverbsUsecanAbility/askingforandgivingperm
2、ission/offer/request/instruction/capability/withbetomakecriticismscouldpossibilityoruncertainty/request/suggestion/askingforandgivingpermission/unwillingness/withcomparativeadjectivestoexpresspossibilityorimpossibilitymaytoexpressalthoughinclauses/possibili
3、tyoruncertainty(formal)/askingforandgivingpermission(lessusual,moreformal)mightpossibilityoruncertainty/unrealsituationwillWillingness/habit,custom/requestwouldhabit,custom/requestshallcertaintyordesire/informalrulesandregulations/inquestionstoaskforinstruc
4、tionsanddecisions,andtomakeoffersandsuggestions(mainlyBritishEnglish)shouldExpectation/suggestion,advice,opinion/whensomethingisnotrightorasyouexpectit/criticism/Uncertainty/order/habitsandtypicalbehaviourmustwhenyoufeelsuresomethingistrue/necessity,persona
5、lfeelings/order,strongsuggestioncan%Ability/whenyoufeelsuresomethingisnotpossible(oppositeofmust3.Explanationoftheuseofmodalverbsandthestudentsusingthemtomakesentencesortheteacherofferstheexamples(lOmins)(1).canandcoulda.表示能力(ability),指refersto有能力做某事,意为"能够”
6、。例如:注意:表示现在,将来“能够”可用beableto替换。表示过去“能够”并成功了只能用was/wereableto,不能用couldo例如Mygrandmaisovereighty,butshecan/isabletoreadwithoutglasses・Wecan/willbeabletotalkaboutthematterlate匚Italkedwithherforalongtime,andatlastIwasabletomakeherbelieveme•(不能用could)b.表示请求(reque
7、st)或允许(permission)。意为"可否”、"可以”。could比can更有礼貌,在此不是can的过去式。Canyouwaitamomentplease?Tom,canyoudomeafavor?Excuseme,couldyoutellmethewaytothestation?Iwonderifyoucouldhelpme.(request)——CouldIuseyourphone?-——Yes,ofcourse・Youcan.DoyouthinkIcouldborrowyourbike?(perm
8、ission)c.表示可能性(possibility)1)can表示泛指的“可能”,并非说话者主观认为的可能性,即并非说话者的主观猜测subjectiveguess。Accidentcanhappentoanydrunkendrive匚2)表示说话者主观猜测subjectiveguess,只能用与否定句或疑问句中。例如:Itcan^tbemyfather.HeisnowinEngland・・■一Ca
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