Period3Period3GrammarGrammarModule4SchoollifeOxfordEnglishUnitUnit88EnglishWeekEnglishWeekYourmemory!•Modalverbs(情态动词)：•can-could,may-might,must•Should&oughttocanEg:IcanspeakEnglish.CanIborrowyourpen?can表示①某人具备某种能力做某事;②可以can的过去式___________•can的否定形式为________________•can的同义词_________________couldcannot或can’tbeabletomayMayIsmokehere?-----Yes,you_______./No,you_______(语气强烈)MayIborrowyourpen?-----Yes,you________./No,you_________.May意为__________,与________意义相同,May的过去式为_______可以canmightmaymustn’tmaymaynotEg:mustEg:•Mybedroomisdirty.Imustcleanit.•Youmustn’tsmokehere.It’snon-smokingarea.•Musttheyleave?Yes,theymust./No,theyneedn’t/don’thaveto.(没有必要)•Weusemust_______andmustnot(mustn’t)____________totellpeoplewhattodoorwhatnottodo.Must的同义词：___________必须不准，禁止havetoCan,may,must表推测1Hemustbeathomebecausethelightswereon.他一定在家，因为灯还亮着。Must表推测意为”一定，肯定”（可能性大），用于肯定句。2Thenewsmayormaynotbetrue.这个消息可能是真的也可能是假的。May表推测意为“可能”（可能性小），不用于疑问句中。3Thatcan’tbeMary.SheisinNewYork.那不可能是玛丽。她现在在纽约。Can’t表推测意为“不可能”(不可能的程度大)，can只用于否定句和疑问句中。记忆口诀：can不肯，may不问，must肯定不否问！选择can,can’t,may,must填空1Itiscoldintheroom.They______haveturnedofftheheating(取暖器).2A:Someoneisknockingatthedoor.B:Who______itbeatthismoment？3John_______beapoliceman.Heistooshort.4A:Whotoldyouthenews.B:It______beMary.I’mnotsure.mustcan’tmaycanYoushouldcommunicateinEnglishwithyourfriendswheneveryoucan.YoushouldreadEnglishbooksandmagazines,andwatchEnglishtelevisionprogrammes.Aboveall,youshouldenjoyEnglish!2GrammarAModalverb:GrammarAModalverb:shouldshouldPleasereadthesentenceswith“should”fromthepassageonpage115.Inmyopinion,everyschoolshouldhaveanEnglishWeek.Readthedialogueandsentencesonpage119.Finish“Workouttherule”andread“Thingstoremember”.should,oughtto应该，应当常用来表示劝告、建议认为“某人应该做某事”...
