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1、1.Thisdoesnotmeanthatwehavetowriteorcallourfriendseveryday.ltdoesmean,however,thatwecareenoughaboutourfriendstofindouthowtheyaredoingfromtimetotime・2.Iwasreallyhappytobewritingadetectivestory.Butafterthefirstfewpages,Ijustwriteanymore.3.EmCaptainJohnBlanchard.YoubeMissHollis.Iamgladtomeetyouhere.
2、4.Hewalkedinasifhe(buy)theschooLandthewordquicklygotaroundthathewasfromNewYorkCity.5.1recommendthatyou(try)Baihe.com・6.Tom:Sandy.ltseemsthatonlyhalfofthestudentspassedthefinalexam・Sandy:Really?Theexamhavebeenverydifficultthistime・7.Ifsapityyouwerelate,otherwiseyou(see)thefilmstarRainfromKorea.8・A
3、llthestudentsputonmasksbeforegoingtoschoolincasetheyareinfectedwithfluvirus.9・Hadthegovernmentlimitedthesalesofcarsmuchearlierttrafficjamandpollutionnotbesoseriousnow・10.Ifyouwillstayherelonger,youmay.Butyouleavebeforethisweekend.易错起源1、情态动词的词汇义辨析彳列1•IhaveworriedbeforeIcametothenewschool,formyclas
4、smateshereareveryfriendlytome-【名师点睛】情态动词的基本用法I.can(could)1.表示体力或脑力方面的能力,或根据客观规定律能做某事的能力,意思是“能够雹can表“能够”吋,既可指将来,也可指现在。beableto在表示能力时与can同义,但可用:于各种时态,强调通过努力克服困难成功地做某事,相当managedtodo或succeededindoing•例如:Noonecan(isableto)finishsuchadifficultthing.HecanspeakEnglish・Icangotherenow.Withthehelpofthefirem
5、en,thethetrappedpeopelwasabletoleavetheburningbuildung(不能用could)1.表示许可、允许,在疑问句中表示“请求,许可”,否定句中表示“不许”,此时可与may通采用,有时cannot可以表示“禁止”,相当于“mustnf,例如:May(Can)Ihelpyou?Thatsortofthingcan'tgoon!Youcan't(mustn^,arenotallowedto)playcomputergamesagain.2.表示推测,强调客观可能性“可能、会”,can多用于疑问句和否定句,表示猜测时,情态动词后可用进行式或完成式。—T
6、herecomesaman.Whocanitbe?—ItmustbeourEnglishteacher.——No,itcarftbehim.HehasgonetoAmerica!Hecanthavegonetherealone・3.could表示“能力^可能性许可二为can的过去式。一般用于委婉、客气地提出问题或陈述看法,此时c“n,could并没有时间上的差别,只是could的语气更客气些。回答时用原形回答。—CouldIborrowyourEnglishdictionary?—Ofcourseyoucan.Goahead.II.may,might(might为may的过去式)1•表示
7、许可,有“可以'啲意思,询问或说的一件事可不可以做,有时可以用can互换。其否定式maynot表示“不可以、禁止、阻止”等,常用mustnot^mustn^代替,may用于疑问句中,回答这种问题时,多避免用may,而用其他形式,以免显得口气太严峻或不客气。例如:—Mum,mayIgotothecinematonight?—Yes,youmay.(No,youmustn't/you'dbetternot.)比较:一Yes,please