高二英语教案：虚拟语气的用法.docx

《高二英语教案：虚拟语气的用法.docx》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]虚拟语气的用法虚气表示人的愿望、假、猜或建,而不表示客存在的事。虚气通的特殊形式来表示。下面分介虚气在各种句式中的用法。1.虚气用于条件状从句注意:主句中的should通常用于第一人称,would可用于任何人称,同也可根据意思用情could,might等代替should,would。1)表示与在事相反:IfIwereyou,Ishouldstayathome.Ifthepeasantscouldfarmthelandthemselves,foodproductionwouldbemuchhigher.Iffewercashc

2、ropsweregrown,morefoodcouldbeproducedandtherewouldbelessornostarvation.2)表示与去事相反:Ifyouhadcomeyesterday,youwouldhavemethim.Ifthehurricanehadhappenedduringthedaytime,therewouldhavebeenmanydeaths.3)表示与将来事相反:Ifyoucametomorrow,wewouldhavethemeeting.Ifitwereto/shouldraintomorr

3、ow,themeetingwouldbeputoff.Ifitshouldrain,thecropswouldbesaved.4)当条件状从句表示的行和主句表示的行所生的不一致,的形式要根据它所表示的来整。例如:Ifyouhadfollowedthedoctor'sadvice,youwouldbequiteallrightnow.(从句的是去,主句指的是在。)5)以上句型可以成下列形式:①从句省略if,用倒装句式"were,had,should+主"。例如:WereIinschoolagain,Iwouldworkharder.Had

4、youbeenhereearlier,youwouldhaveseenhim.Shouldtherebeameetingtomorrow,Iwouldcome.②用介短代替条件状从句。例如:Withoutair,therewouldbenolivingthings.Iwouldnothavesucceededbutforyourhelp.2.虚气用于从句1)"wish+从句"表示不能的愿望,可"可惜⋯⋯"、"⋯⋯就好了"、"悔不⋯⋯"、"但愿⋯⋯"等。表示在不能的愿望,从句的用去式;表示将来不能的愿望,用"would(could)+原形

5、";表示去不能的愿望,用"had+去分"或"(could)would+have+去分"。第1页共6页例如:Iwishwecouldgototheseasidetoday.Iwishyoutoldmeearlier.Wewishwehadarrivedtheretwohoursearlier.2)虚拟语气在动词arrange,command,demand,desire,insist,order,propose,request,require,suggest等后面的宾语从句中,用"(should)+动词原形"。例如:Isuggestedth

6、atthemeeting(should)beputoff.Thedoctororderedthatshe(should)stayinbedforafewdays.Theydemandedthattheblackpeopleshouldbetreatedaswellaswhitepeople.注意:insist作"力言"、"强调"解时,宾语从句不用虚拟语气。只有当insist作"坚持(应该)"解时,宾语从句才用虚拟语气。例如:Mikeinsistedthathehadneverstolenanything.Iinsistedthatyou

7、givememymoneyback.3.虚拟语气用于表语从句、同位语从句作advice,idea,order,demand,plan,proposal,suggestion,request等名词的表语从句和同位语从句,其谓语动词要用虚拟语气的结构"(should)+动词原形"。例如:Weallagreedtohissuggestionthatwe(should)gotoBeijingforsightseeing.Myideaisthathe(should)doexercisesfirst.4.虚拟语气用于以asif(asthough)引

8、导的表语从句或状语从句如果从句表示与现在事实相反,谓语动词用一般过去时;表示与过去事实相反,谓语动词用"had+过去分词";表示与将来事实相反,谓语动词用"would(might,could)+动词原形"。