高中英语Unit1《Art》课件-grammar新人教版选修6.ppt

一.语气的分类虚拟语气IfIwereyou,Iwouldnotleaveheralone.Ourteachersuggestedthatwegotothelibrarythisafternoon.条件句表示主句的条件,分真实条件句和虚拟条件句两种。二.‘if’虚拟条件句的概念三.ifSentenceStructure‘if’虚拟条件句的结构1.虚拟语气用于条件状语从句中
(1)表示与现在事实相反的假设,条件状语从句中的谓语动词用“过去式(be动词的过去式用were)”,而主句中的谓语动词“would/should/could/might+动词原形”。Whatwouldyoudoifyouwonthelottery?
IfIwonthelottery,Iwould…IfIwonthelottery,Iwouldbuyanexpensivecar.IfIhadalotofmoneyIfIhadalotofmoneynow,Iwouldtravelaroundtheworld.a.Ifthey____(be)here,they__________(take)youradvice.
b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?c.Ifthepoliceman________(benot)inthatroom,it________(be)verydangerous.
d.IfI____(be)inyourposition,I_________(ask)forteacher’shelp.2.与过去的事实相反Ifhe__________morecarefully,he_________________thecaraccidentyesterday.IfI________howtoswim,a.IfTom________(be)morecarefulintheexam,he________________(pass)italready.
b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.c.IfI_______(meet)youyesterday,we______________(go)totheconcerttogether.3.与将来事实相反Ifhegotupearly,假如他来了,我们对他说什么呢？a.Ifthere________(be)nonaturalresourceanymore,we___________(make)useofnuclearpower.
b.What____________(happen)ifyou____________(getup)toolatetomorrow?c.IfRobots_____________(control)theworldsomeday,here________(be)nofriendship.主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟语气形式因时间不同而不同,这叫做混合条件句。
例句中从句与过去事实相反,主句与现在事实相反
Ifyouhadaskedhimyesterday,youwouldknowwhattodonow.Ifthestaffhadbeenmorecareful,条件从句条件从句条件从句二.虚拟语气在宾语从句中的用法IwishIwereastallasyou.Iwisheverydayweremybirthday.Iwish/wishedIhadn’teatensomuchwatermelon.Thepartywasterrible,IwishIhadnevergonetoit.(3)表示对将来的主观愿望:从句动词形式为“would＋动词原形”。Iwishitwouldraintomorrow.asif/asthoughHebehavesasifheownedthehouse.ShetalksaboutRomeasthoughshehadbeentherehimself.他那样对待我,好像我式陌生人似的。关于虚拟语气辩析1关于虚拟语气辩析2关于虚拟语气辩析3关于虚拟语气辩析4关于虚拟语气辩析5句型练习(用IfIwereyou句型翻译下列句子)关于陈述语气1Whatwillyoudoifitrainstomorrow?Iwillstayathomeifitrainstomorrow.关于陈述语气2关于祈使语气1关于祈使语气2关于祈使语气3关于祈使语气4真实条件句
真实条件句用于陈述语气,假设的情况可能发生,其中if是如果的意思。Thevolleyball