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1、高三专题复习情态动词南宁市第十四中学赵凤华Canyoufindoutthemistakes?SometimesIcouldn’tunderstoodtheteacher.Youshouldtakingapenandanotebookwithyou.3.Ihopetheworldcanbetterandbetter.understandtakebe一、情态动词的含义本身有一定的词义，表示说话人的情绪、态度或语气；不能单独作谓语，只能和其他动词__________一起构成谓语。常见的情态动词有______________________________.原形can/could,may/m
2、ight,must,haveto,should/oughtto,need,will/would等1.can/could①Hecanplaytabletennisverywell.（，表示能力。）②—Can/CouldIgonow?—Yes,youcan.（，表示或许可。）③—Can/CoulditbeMary?—Itcan’t/couldn’tbeMary.She’sinhospital.（，否定式意为表示。）能；会可以请求可能不可能推测二、情态动词的用法2.may/might①—May/MightItakethebookout?—I’mafraidnot.（，表示或许可。）②Hem
3、ay/mightknowtheanswer.Buthemay/mightnotbefreetohelpus.（，否定式意为，表示。）可以请求也许可能不推测3.must/mustn’t①Youmustseethedoctor.(,表示义务、命令，强调说话人的主观看法。)②Goodmorning.YoumustbeMrs.Peters.（，表示。）③Youmustn’tgooutoftheroom.（mustn’t表示。）必须一定，肯定推测禁止4.haveto/don’thaveto①It’sgettingdark.Wehavetogohomenow.（，表示客观需要。）②Youdon’
4、thavetobuyagift,butyoucanifyouwantto.（）不得不不必5.should/oughttoYoushould/oughttolearnfromeachother.（，表示建议或劝告。）6.need：意为“”，多用于否定句和疑问句。Ineedn’tworryaboutmyweekend—Ialwayshavemyplansreadybeforeitcomes.应该需要7.will/would①—Whydidn’tyoucometoSimon’spartylastnight?—Iwantedto,butmymumwouldnotletmeoutsolatea
5、tnight.（，表示意愿或意志。）②Will/Wouldyoupleasekeepthedooropen?（表示。）③Hewouldgetupearlywhenhelivedinthecountryside.（，表示习惯、倾向性。）愿意；要总是，总会请求表示允许、许可或请求的情态动词有。其中表示请求时语气更委婉。①—Can/CouldIgonow?—Yes,youcan.②—May/MightItakethebookout?—I’mafraidnot.③Will/Wouldyoupleasekeepthedooropen?小结can/could,may/might,will/wou
6、ldcould,might,would2.表示推测的情态动词有等。①—Can/CoulditbeMary?—Itcan’t/couldn’tbeMary.She’sinhospital.②Hemay/mightknowtheanswer.Buthemay/mightnotbefreetohelpus.③Goodmorning.YoumustbeMrs.Peters.can/could,may/might,must按推测语气的强弱排列：肯定句：＞＞________________________否定句：＞＞＞_________________________疑问句：＞_________
7、_____________mustmaynotcouldn’tcan’tcancouldmightnotmaymightcan/could小练：用can/could,may/might,must填空。1.—IsJohncomingbytrain?—Heshould,buthenot.Helikesdrivinghiscar.2.Petercomewithustonight,butheisn’tsureyet.3.Itnotbethepostmanatthe
