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ID:9246524
大小:30.00 KB
页数:3页
时间:2018-04-25
《初中英语情态动词的基本用法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、湖北英语教学网www.hb910.com初中英语中情态动词的基本用法:can,could1.表达“能力”。2.表示“许可”。3.有礼帽地提出“请求”。(用于疑问句)4.谈论“可能性”。5.当主语为事物时可以表示“惊异”。Wecanusethecomputernow,butwecouldn'ttwomonthago.Youcangonow.Couldyoubehereateighto'clocktomorrowmorning?Hecan'tbethemanager,forIsawhimgotoCanadayeste
2、rday.Whatonearthcanthismean?在表达“能力”时,可用beableto来取代can。要注意的是:可在beableto前加肋动词或情态动词以表达更多的时态或情态,can或could前则不可。Nooneisabletodoit.(=Noonecandoit.)Weshallbeabletofinishtheworknextweek.Ihaven'tbeenabletofindanyjobs.maymight1.表示“允许”2.请求“许可”(用于疑问句)3.谈论“可能性”Youmaygohome
3、now.HesaidthatImightdrinksomebeer.MayIwatchTVthisevening?---MayIuseyoupen?---Yes,youmay.Hemay/mightcometomorrow.must1.表达“义务”、“责任”。2.进行“肯定的推断”。湖北英语教学网www.hb910.com3.其否定式mustn't表示“(说话人)禁止……,不准……”;用来代替maynot表示“不许可”。Everybodymustobeytherules.Imustgonow.Thisworkmu
4、stbefinishedassoonaspossible.TheChineselanguagemusthavethelargestnumberofspeakers.Youmustn'tlendthebooktoothers.在表示“客观需要”时,用haveto而不用must。另外可在haveto前加肋动词或情态动词以构成更多的形式。must前则不可。Youdon'thavetoworryaboutthat.Hehadtospendhischildhoodinhardwork,helpinghisfatheront
5、heirsmallfarm.Thestudentsoftodaywillhavetohowtousethecomputers.shallshould1.表示“必要性”。2.征求“意见”或“看法”,请求指示。3.主语为二、三人称时,表达说话人强烈的意志和决心,有威胁或震慑听话人的作用。Weshouldbestrictinallourwork.WhereshallIwaitforyou?Shallwestartthemeetingnow?Tellhimthatheshallhavethebooktomorrow.Yo
6、ushalldoasIsay.Youngpeopleshouldlearnhowtousecomputers.在表示“必要性”时,可用oughtot来代替shall,语气更正式一些。willwould1.表示“必然性”。2.表达“意愿”或“意志”。3.询问对方的意愿或提出请求。(用于疑问句)Fishwilldieoutofwater.湖北英语教学网www.hb910.comEverydayshewouldgetupat6:00andlightthefire.Iwilltellyouallaboutit.We'll
7、helphimifheasksusto.Iwon'tgohomenow.IpromisedthatIwoulddomybest.Wouldyoulikeanothercupoftea?Willyougowithme?Willyouplease...?
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