高中英语Book Unit Grammar人教版选修六ppt课件.ppt

1 英语动词有三种语气 陈述语气 祈使语气和虚拟语气 2 定义 用来表示说的话不是事实 或者是不可能发生或可能性比较小的情况 而是一种愿望 建议 假设的语气叫虚拟语气 一 虚拟语气定义 1 Q What sthedifferencebetweenthetwosentences IfIamfree Iwillvisityou IfIwereabird Iwouldflyintothesky 虚拟条件句 真实条件句 2 Whatwouldyoudoifyouwonthelottery IfIwonthelottery Iwould 3 IfIwonthelottery Iwouldbuyanexpensivecar 与现在事实相反 4 IfIwonthelottery Iwouldbuyavilla 与现在事实相反 5 Ifhehadgotupearly hewouldnothavebeenlateforschool 与过去事实相反 6 Ifhe morecarefully he thecaraccidentyesterday 与过去事实相反 haddriven wouldnothavehad 7 IfI howtoswim I trappedinthisisland 与过去事实相反 hadlearnt wouldnothavebeen 8 假如他来了 我们对他说什么呢 Ifheweretocome whatshouldwesaytohim 假如他看见我 就会认识我 Ifheshouldseeme hewouldknowme 9 1 一般条件句中的虚拟语气 10 IfIwereyou I buythehouserightnow A won tB don tC wouldn tD can t2 morecareful hisshipwouldnothavesunk A IfthecaptainwereB IfthecaptainhadbeenC ShouldthecaptainbeD Ifthecaptainwouldhavebeen3 Ifhe metomorrow IwouldlethimknowA shouldcallB shouldnothavebeenableC werenotableD arenotable B C A 11 2 名词性从句的虚拟语气 主要是表示命令 要求 建议的虚拟语气 宾语从句 常见动词 一个坚持 insist两个命令 order command三个建议 advise suggest propose五个要求 demand require request desireask 这些动词后面的宾语从句要使用虚拟语气用法 即从句中的动词使用should 动词原形 或者将should省略 12 1 我们建议Tom去休息一下 2 他坚决要求我到场 3 国王命令囚犯明天要实施死刑 4 他们要求我们派他们去那儿工作 1 WesuggestedthatTom 2 HeinsistedthatIpresent 4 Theyrequestedthatwe 3 Thekingorderedthattheprisoners shouldhavearest should be Shouldbekilled thenextday shouldsendthem toworkthere 13 2 以上动词相应的名词构成的名词性从句 包括主语从句 表语从句和同位语从句 也要使用虚拟语气 从句中的动词形式一样 order advice suggestion proposal demand request desire It ssuggestedthattheplanbecarriedout Mydemandisthatsheshouldcometoseemeonceaweek Allofusarefortheadvicethatthechemicalfactoryshouldbecloseddown 14 3 几种特殊结构中虚拟语气的用法 1 wish 宾语从句 现在 过去 未来 过去时 did were 过去完成时 haddone would could might V should IwishIwereabird 现在 IwishIhadn tmadesuchamistake 过去 Wewishourparentswouldn tpunishus 未来 15 2 wouldratherthat 现在 过去 未来 Iwouldratheryoupaidmenow 现在 Iwouldratheryouhadgone too 过去 Don tcome Iwouldratheryoucametomorrow 未来 过去时 过去时 过去完成时 16 3 asif though 从句 现在 过去 过去时 过去完成时 Helooksasifheweredrunk Theytalkedasiftheyhadbeenfriendsforyears Shelovesthebabyasifitwereherownson Itseemsasifitwerespring Irememberthewholethingasifithadhappenedyesterday 17 4 It shightime that should V 过去时 你该走了 我们该睡觉了 It shightimethatyouwent It shightimethatyoushouldgo It stimethatwewenttobed It stimethatweshouldgotobed 18 5 without和butfor构成虚拟 butfor要不是 Withoutsunlight people slifewouldbedifferentfromtoday Butforyourhelp Iwouldn thavefinishedthework Butforwater itwouldbeimpossibletoliveinthedesert 19 6 Ifonly 要是 就好了 IfonlyIknewhisname Ifonlywehadfollowedyouradvice IfonlyIcouldseehimagain 要是我们的父母能和我们住在一起就好了 要是我没错过火车就好了 Ifonlyourparentscouldlivewithus IfonlyIhadn tmissedthetrain 20 8 It snecessary strange natural importantapity that 从句中的动词要用虚拟 即 should 动词原形 1 Itisimportantthatwe should masteraforeignlanguage 2 Itisstrangethatsherefusetocometotheparty 3 It snecessarythatweshouldstudyhard 21 三 虚拟语气假设条件句型注意点 1 假设条件从句谓语动词发生的时间与主句所假设的谓语动词不一致 叫做错综条件虚拟语气 主句和从句的谓语动词要依照假设的时间而定 Iftheweatherhadbeenfiner thecropswouldbegrowingstillbetter Ifyouhadfollowedtheteacher sadvice youwouldn tbeinthehospital 22 1 Thevolleyballmatchwillbeputoffifit A willrainB rainsC rainedD israined B 精选习题 2 Youdidn tletmedrive Ifwe inturn you sotired A drove didn tgetB haddriven wouldn thavegotC drove wouldn tgetD weredriving wouldn tget B 23 3 Ifyou himyesterday you whattodonow asked wouldknowhadasked wouldhaveknownC askedhim knowD hadasked wouldknow4 Whatwouldhavehappened asfarastheriverbank A BobhadwalkedfartherB ifBobshouldwalkfartherC hadBobwalkedfartherD ifBobwalkedfarther C D 24 5 HowIwisheveryfamily alargehousewithabeautifulgarden 02上海 A hasB hadC willhaveD hadhad6 Whenapencilispartlyinaglassofwater itlooksasifit 95N A breaksB hasbrokenC werebrokenD hadbeenbroken B C 25 7 Doyoumi