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时间:2019-06-19
《专四语法专项训练 情态动词》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、2015专四语法考点:情态动词*情态动词:will(愿意),shall(将),must(必须),can,may,would,should(应该),might,could,oughtto,usedto(过去常常),need(需要),dare(竟敢),haveto(不得不)考试中,情态动词部分重点测试以下内容:(1)情态动词+行为动词完成式(表示推测) (2)某些情态动词的特殊用法 考点1.情态动词+have+过去分词结构表示推测(1)musthavev-ed表示推测过去某事“一定”发生了。否定形式
2、为:can’t/couldn’thavev-ed,表示过去不可能发生某事。1.Nancy'sgonetoworkbuthercar'sstillthere.She_musthavegone___bybus.2010 A.musthavegone B.shouldhavegone C.oughttohavegone D.couldhavegone2.She_musthavebeen____fiftyorsowhenIfirstmetherattheconference.2009/2007 A.
3、mustbe B.hadbeen C.couldbe D.musthavebeen3.Whichofthefollowingsentencesexpresses"probability"可能性超级大啊?2008 A.Youmustleaveimmediately. B.Youmustbefeelingrathertired. C.Youmustbeherebyeighto'clock. D.Youmustcompletethereadingassig
4、nmentontime.4.He_couldnothavecaught____the8:20busbecausehe didn’tleavehometill8:25.(1994) A.cannot/couldn’thavecaught B.oughttohavecaught C.shouldn’thavecaught D.mustnothavecaught5.–“Shemustbeinthe dormitory now.”4 --“No,she_cannot___bethere.Isaw
5、herintheclassroomaminuteago.”(1994) A.mustn’t B.can’t C.couldn’t D.wouldn’t6.–“Thedoorwasopen.” --“It_cannothavebeen___open.Ihadlockedinmyselfandthekeywasinmypocket.”(1992) A.can’tbe B.mustn’tbe C.can’thavebeen D.mustn’thavebeen(2)
6、couldhavev-ed表示推测过去某动作“很可能”发生了。(3)may/mighthavev-ed表示推测过去某事“也许”发生了.1.He__mayhaveacted__unwisely,buthewasatleasttryingtodosomethinghelpful.(1999) A.mayhave acted B.musthaveacted C.shouldact D.wouldact (4)oughtto/shouldhavev-ed和oughtnotto/shouldn’t
7、havev-ed用于对已发生的情况表示“责备”、“不满”,分别表示“本应该…”和“本不应该…”表示应完成而未完成的动作用于完成时中的否定句,表示不应完成但已做的动作1.Aren'tyoutired?I_shouldhavethought___youhaddoneenoughfortoday.2009 A.shouldhavethought B.musthavethought C.mighthavethought D.couldhavethought(5)needn’thavev-ed表示过去做了
8、某事,但没有做的必要,意为“本没必要…”。注意:did notneedtodo动作并没发生。例:Ididn’tneedtogetupearly,soIgotupuntil9a.m.1.You_neednothavetold___Jimanythingaboutit.Itwasnoneof his business.(2000/1998) A.needn’thavetold B.needn’ttell C.mustn’thavetold D.mustn’ttell2.Asitturned
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