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1、welcome名词性从句复习及其应用*名词性从句的特点是从句都有关联词引导,从句的语序和陈述句的语序相同。名词性从句2.宾语从句3.表语从句4.同位语从句1.主语从句这是一本书。Thisisabook.陈述句这是书吗?Isthisabook?疑问句(1)从属连词whetherthat(2)连接代词What,Who,whichWhom,whosewhateverwhoeverwhichever(3)连接副词whenwhywherehow,if/asif(只用于表语从句)*只起连接作用,不充当从句中的任何成分。*既起连接作用,本身又做从句的主语、宾语、表语或定
2、语(whose)。*既起连接作用,本身又做从句的状语。howmany,howmuch,注意:1.主语从句:主语从句+V主从1+主从2+V连词1+连词2+主从+V2.宾语从句:从句时态与主句的时态如从句中表示的是客观现象,则用主语+谓语+that+宾从主语+谓语+that宾从1+that宾从2+that宾从3…3.表语从句:asif只能引导表语从句4.同位语从句:常见词(fact,hope,desire,thought,suggestion,idea,news,problem,doubt,possibility,etc)(单)(复)(单)保持一致一般现在时(
3、)()thatthat要注意的连接词:1.That和what:That:只起连接作用,不充当任何成分,不可以省略(宾从的特殊情况除外)What:充当主语、宾语、表语2.Whether和if:只用whether的情况:1)whether…ornot2)句首主从,介后宾从,同从,表从3.what,who,which引导的名从都含有疑问意义whatever(=anythingthat)无论什么whoever(=anyonewho)无论谁whichever无论哪个重要句型:1.Thereasonisthat…+(原因)Thatiswhy…+(结果)Thatisbe
4、cause+…(原因)【Hewasabsentbecausehewasill.】2.主语+动词(think,consider…)+it+宾补(形容词)+that从句重要句型:3.It+be+adj.+that从句(如obvious,true,clear…)It+be+n词组+that从句(如nowonder,anhonor…)It+be+P.P+that从句(如said,reported,thought,acknowledged,considered…)Itoccurs(occurred)tosb.that从句Itstrikes(struck)sb.tha
5、t从句Ithappens(happened)that从句Ex1:请找出以下复合句的名词性从句并分析其类型1.ThequestionwhywemustlearnEnglishhasbeenaskedmanytimes.2.ThatiswhereLuXunoncelived.3.Whetheryoucomeornotisuptoyou.4.WethoughtitstrangethatTomdidnotcomeyesterday.5.It’suncertainwhethertheexperimentisworthdoing.()同位语从句()表从()主语从句()
6、宾语从句()主语从句Ex2:Pleasefillintheblanks.1.______wecan’tgetseemsbetterthan_____wehave.2.IdrovetoZhuhaifortheairshowlastweekandthatis______youhadafewdaysoff?3.Thereason_____Ihavetogois_____mymotherisillinbed.Whatwhatwhywhythat14.Thereason________ you went to the parkwasthat you want to
7、visit her.15.The question is_________ we will complete theproject.16.That was ______________the Chinese began to makepaper.17.The problem_______ should be our mornitor is not decided.18.They have no information ________________ hewas alive.19.Thisisanotherproof_________hekilledama
8、n.20.Theprofessorgaveorders______