最新虚拟语气条件状语从句中的用法PPT课件.ppt

《最新虚拟语气条件状语从句中的用法PPT课件.ppt》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、虚拟语气条件状语从句中的用法1.虚拟语气在if条件状语从句中的用法条件从句从句谓语形式主句谓语形式与现在事实相反与过去事实相反与将来事实相反动词过去式(或were)should/would/could/might+动词原形had+过去分词should/would/could/might+have+过去分词should/would/could/might+动词原形1.should+动词原形2.动词过去式3.wereto+动词原形2.wish引导的宾语从句中的虚拟语气与现在事实相反与过去事实相反与将来 事实相反过去时（

2、were）had+过去分词would/could/might+动词原形Hewishedhe_____________________insuchaffairs.(involve)IwishI______abird.(be)hadneverbeeninvolvedwereItisstrangethat_______________________.他居然会这样说，真是奇怪。Itisagreatpitythat___________________.他居然会这样想，真是一件憾事。Itisnaturalthat_____

3、______________________.鸟在树上安歇是很自然的。Itisnecessarythat___________________________.有必要立即派他去北京。二、It’snecessary/strange/natural/important/pity/nowonder/impossible+thatClause从句中的动词要用虚拟,即(should)+动词原形he(should)saysohe(should)thinksoabird(should)restintreeshebesenttoB

4、eijingrightaway三、在Itis/wassuggested/ordered/demanded/proposed/etc.结构中要使用虚拟语气。如：It’ssuggestedthattheplanbecarriedout.Itisorderedthatallthetroops(should)withdrawthreemilesaway.根据命令，所有部队撤至三英哩以外。Itisarrangedthathe_____________________.照安排，他星期五动身去加拿大。Itissuggestedt

5、hat___________________________________________.有人建议，英语晚会周六举行。leaveforCanadaonFridaytheEnglisheveningbeheldonSaturdayIwouldratheryoucouldteachmeagain.Iwouldrather___________________.我宁愿他们明天来。Themanagerwouldratherthathissecretary_______________________________.经

6、理宁愿他的秘书代替他去开会。四、wouldrather后的宾语从句wouldratherthat与现在事实相反过去时与过去事实相反过去完成时与将来事实相反过去时theycametomorrowwenttothemeetinginsteadofhim以asif、asthough（似乎，仿佛）引出的方式状语从，如果表示真实情况应该用直陈语气；如果表示非真实情况则应该用虚拟语气,其谓语动词的虚拟式与wish后面宾语从句中谓语动词的虚拟式相同。如：Thelittleboyknowssomanythingsasifhewa

7、saman.Heactedasusualasthoughnothinghadhappened.Theboyacted____hehadneverlivedinCanadabefore.A.asthough  B.evenif    C.as     D.since五、asif，asthough引导的从句六、由ifonly（要是……，那该多好啊！）引导的惊叹句。IfonlyIhadpassedthetest！Ifonlyitstoppedraining！比较ifonly与onlyifonlyif表示"只有"；i

8、fonly则表示"如果……就好了"。Ifonly也可用于陈述语气。Iwakeup__________thealarmclockrings.只有闹钟响了，我才会醒。___________thealarmclockhadrung.当时闹钟响了，就好了。___________hecomesearly.　但愿他早点回来。onlyifIfonlyIfonlyIt