中考英語(yǔ)專項(xiàng)練習(xí) 情態(tài)動(dòng)詞的用法(全)

中考英語(yǔ)專項(xiàng)練習(xí)情態(tài)動(dòng)詞的用法?名校內(nèi)部資料can,could.表達(dá)〃能力〃。.表示〃許可〃。.有禮帽地提出〃請(qǐng)求〃。（用于疑問(wèn)句）.談?wù)摗赡苄浴ā?當(dāng)主語(yǔ)為事物時(shí)可以表示〃驚異〃。Wecanusethecomputernow,butwecouldn'ttwomonthago.Youcangonow.Couldyoubehereateighto'clocktomorrowmorning?Hecan'tbethemanager,forIsawhimgotoCanadayesterday.Whatonearthcanthismean?在表達(dá)〃能力〃時(shí),可用beableto來(lái)取代cano要注意的是：可在beableto前加肋動(dòng)詞或情態(tài)動(dòng)詞以表達(dá)更多的時(shí)態(tài)或情態(tài)，can或could前則不可。Nooneisabletodoit.(二Noonecandoit.)Weshallbeabletofinishtheworknextweek.Ihaven'tbeenabletofindanyjobs.maymight.表示"允許".請(qǐng)求“許可"(用于疑問(wèn)句).談?wù)摗赡苄浴╕oumaygohomenow.HesaidthatImightdrinksomebeer.MayIwatchTVthisevening?--MayIuseyoupen?--Yes,youmay.Hemay/mightcometomorrow.must.表達(dá)〃義務(wù)〃、〃責(zé)任"O.進(jìn)行“肯定的推斷〃。.其否定式mustn't表示"（說(shuō)話人）禁止……，不準(zhǔn)......"；用來(lái)代替maynot表示“不許可"。Everybodymustobeytherules.Imustgonow.Thisworkmustbefinishedassoonaspossible.TheChineselanguagemusthavethelargestnumberofspeakers.Youmustn'tlendthebooktoothers.在表示“客觀需要"時(shí)，用haveto而不用musto另外可在haveto前加肋動(dòng)詞或情態(tài)動(dòng)詞以構(gòu)成更多的形式。must前則不可。Youdon'thavetoworryaboutthat.Hehadtospendhischildhoodinhardwork,helpinghisfatherontheirsmallfarm.Thestudentsoftodaywillhavetohowtousethecomputers.shallshould.表示“必要性"。.征求"意見(jiàn)"或〃看法"，請(qǐng)求指示。.主語(yǔ)為二、三人稱時(shí)，表達(dá)說(shuō)話人強(qiáng)烈的意志和決心，有威脅或震懾聽(tīng)話人的作用。Weshouldbestrictinallourwork.WhereshallIwaitforyou?Shallwestartthemeetingnow?Tellhimthatheshallhavethebooktomorrow.YoushalldoasIsay.Youngpeopleshouldlearnhowtousecomputers.在表示“必要性"時(shí)，可用oughtot來(lái)代替shall,語(yǔ)氣更正式一些。willwould1.表示〃必然性〃。2.表達(dá)"意愿”或//,3±z.-|—//

后、心、3.詢問(wèn)對(duì)方的意愿或提出請(qǐng)求。（用于疑問(wèn)句）Fishwilldieoutofwater.Everydayshewouldgetupat6:00andlightthefire.IwilltellyouallaboutitWellhelphimifheasksusto.Iwon'tgohomenow.Ipromisedt