资源描述:
《高考调研高三一轮总复习温习英语语法专项七.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、语法专项(七)名词性从句表1名词性从句的连接词连接词及从句类型典句例示备注连接词that,whether和if。that在句中只起连接作用,不作成分,有时可省略;whether和if不充当成分,意为“是否”,不能省略主语从句Thathewillcomeiscertain.(that不可省略)Whethershe’scomingornotdoesn’tmatter.(不能用if)(1)句首不能省略that(2)位于句首的主语从句一般用whether宾语从句Ibelieve(that)theywillfinish
2、theworkintime.Iwentinandaskedif/whethertherewasaJohnlivingthere.(1)that可以省略(2)if与whether可互换(3)作介词宾语时一般用whether连接词that,whether和if。that在句中只起连接作用,不作成分,有时可省略;whether和if不充当成分,意为“是否”,不能省略表语从句ThefactisthatIhaveneverbeenthere.Thequestioniswhetheritisworthdoing.(1)t
3、hat一般不省略(2)用whether而不用if同位语从句ThefactthatLuoJingdiedmadealotofaudiencesad.Thequestionwhethertheworkwasworthdoinghasnotbeendecided.(1)that不能省略(2)用whether而不用if连接代词who,whom,whose,which,what和whatever,whichever等连接副词where,when,why,how它们都有各自的意义。连接代词在从句中作主语、表语、宾语或定语
4、。连接副词在从句中作状语主语从句Whathesaidisveryimportanttous.Whichsidewillwinisnotclear.Whyhecamelatetodayhasbeenclearnow.(1)用陈述语序(2)what从句相当于“先行词+that引导的定语从句”宾语从句Payattentiontowhattheteachersaid.Idon’tknowwherewearegoingtohavethemeeting.用陈述语序连接代词who,whom,whose,which,what
5、和whatever,whichever等连接副词where,when,why,how它们都有各自的意义。连接代词在从句中作主语、表语、宾语或定语。连接副词在从句中作状语表语从句Thatiswhatwe’vebeenexpecting.Thatiswhereheusedtowork.用陈述语序同位语从句Ihadnoideawhohadstolenthemoney.Ihavenoideahowhewillcome.Thenewscamethatwewouldhavethreeholidaysoff.(1)必须用陈
6、述语序(2)同位语从句的连接词不能省略【特别提醒】无论什么从句,都是陈述语序(包括定语从句、状语从句、宾语从句、主语从句……)表2名词性从句注意事项①Itiscertainthatmostofthefarmershavebroughtinmoremoneybyallmeansthanbefore.②It’snowonderthatyou’veachievedsomuchsuccess.③Itissaidthattheprofessorhasalreadysucceededincarryingouttheexp
7、eriment.④IthappenedtomethatIhadbeenawaywhenhecalled.用it作形式主语的常用句型有:(1)It+系动词+形容词(necessary/right/likely/unlikely/wrong/important/certain等)+that从句(2)It+be+名词(短语)(apity/ashame/nowonder等)+that从句(3)It+be+过去分词(said/told/reported/decided等)+that从句(4)It+特殊动词(seem,a
8、ppear,happen,matter)+that从句主语从句典句例示注意事项从句主语从句在Itisnecessary/important/suggested/advised/ordered+that从句结构中,从句用“(should+)动词原形”⑤Itisnecessaryandimportantthatone(should)mastertheskillofoperatingcomputersso