助动词及情态动词.doc

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1、第七章助动词结构含义couldhavedone本来可以，指过去可以做而实际上未做到needn’thavedone本不必，指本来不必做而已经做了的事didn’thavetodo(1)本不必，指本来不必做而已经做了的事;(2)有时候也指不必做也没胡做IgotuplatethismorningasIdidn’thavetogotowork.shouldhavedone本应试，指本应该做而没有做的事shouldnothavedone本不该，指不该做而做了的事oughttohavedone本应试，指本应该做而没有做的事musthavedone（过去）一定，想必，指对过去情况的肯定

2、性推测can’t/couldn’thavedone不可能（已经），指对过情况的否定性推测may/mighthavedone可能（已经），指对过去情况的肯定性推测，但把握不大willhavedone（那时）可能已经，指对未来情况的推测，构成将来完成时1.Whenhewasthere,hegotothatcoffeeshopatthecornerafterworkeveryday.AA.wouldB.shouldC.hadbetterD.might2.Sir,youbesittinginthiswaitingroom.Itisforwomenandchildrenonly.

3、AA.oughtn’ttoB.can’tC.won’tD.needn’t3.Jackyet,otherwisehewouldhavetelephonedme.CA.mustn’thavearrivedB.shouldn’thavearrivedC.can’thavearrivedD.needhothavearrived4.“CouldIcallyoubyyourfirstname?”“Yes,you.”CA.willB.couldC.mayD.might5.Therewasalotoffunatyesterday’sparty.Youcome,butwhydidn’ty

4、ou?D.A.musthaveB.shouldC.needhaveD.oughttohave6.MysistermethimattheGrandTheatreyesterdayafternoon,soheyourlecture..AA.couldn’thaveattendedB.needn’thaveattendedC.mustn’thaveattendedD.shouldn’thaveattended7.Youcan’timaginethatawell-behavedgentlemanbesorudetoalady.C.A.mightB.needC.shouldD.w

5、ould表示惊讶、忧虑、惋惜等情绪，意为“竟会、竟然”，常用在I’msurprised,itworriesme,it’sapity;youcan’timagine等结构中。8.Ithasbeenannouncedthatcandidatesremainintheirseatsuntilallthepapershavebeencollected.DA.canB.willC.mayD.shallShall用于第二人称、第三人称，表示说话人给对方的命令、警告、允诺或威胁。9.Howyousaythatyoureallyunderstandthewholestoryifyouh

6、avecoveredonlypartofthearticle?AA.canB.mustC.needD.may10.Childrenunder12yearsofageinthatcountrybeunderadultsupervisionwheninapubliclibrary.AA.mustB.mayC.canD.need11.Therebeanydifficultiesaboutpassingthetestsinceyouhavepracticedalotinthedrivingschool.CA.mustn’tB.shan’tC.shouldn’tD.needn’t

7、第一节基本助动词三个：Bedohave需要注意do的三种用法：Translate:PierreandIdidhaveaverygoodtimeattheball.Ifyoudohavedifficulties,itisbettertotryonceagainanotherday.Dogivehermyregards.OnlythendidweunderstandtheimportantoflearningEnglish.NeverdidIexpecttoseehimhere.Shedidn’tsingthateveningsowellas