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1、高考语法精讲与精练NounClauses名词性从句主语从句宾语从句表语从句同位语从句主语从句在句中做------宾语从句在句中做------表语从句在句中做------同位语从句在句中-----主语宾语表语同位语1.Thathewillcomeiscertain.2.Iknowthathewillcome.3.ThetruthisthatIhavebeenthere.4.Thefactthatshewaslatesurprisedus.主语从句宾语从句表语从句同位语从句为什么叫名词性从句？___________
2、____________整个从句相当于一个名词比较:Themanlookedaround.Thattheboyfailedagainintheexamdisappointedhismother.同样作主语，从句可以表示较复杂的含义,一般是个动作或性质Iknowhim.Iknowthatheiswritinghiscompositioninhisroom2.为什么要有名词性从句？那人看了看四周.(名词作主语)那孩子考试又不及格令他母亲很失望.(从句作主语)我知道他在房间里写作文.从句的特征:是一个句子,有一个引导
3、词,引导词做从句的一个成分(that除外)名词能做的成分,从句都能做从句表达的意思比名词复杂得多主语从句thatwhetherwhowhomwhosewhatwhichwhenwherewhyhow从句引导词:1.ThatheknowsJapaneseisknowntoall.他懂英语,这一点大家都知道令我惊讶的是在这儿见到他.3.Whenhewillcomeisunknown.4.Whetherheiscomingdoesn’tmattermuch.他来不来没什么要紧的他什么时候来不清楚.他们是怎么登上山顶的
4、仍是个秘密.5.Itremainsasecrethowtheyclimbedupthemountain.主语从句的位置1.在句首2.主语较长时通常放在后面,句首主语用It主语太长了!放到句尾That无词义,不可省略What“什么”,“所….的”2.Whatsurprisedmewastoseehimhere.When“什么时候”主语从句不用if位于句首It作主语的常用句型有:1.It+be+形容词+that从句2.It+be+名称词组(duty/pity..)+that从句3.It+be+过去分词(said/t
5、hought..)+that从句4.It+不及物动词(seem/happen..)+that从句Itisapitythatwecan’tgoswimming.Itissaidthathetoldhereverything.IthappenedthatIwasoutthatday.Itiscertainthathewilldowellintheexam.真可惜我们不能去游泳.碰巧那天我外出了.他考试肯定会考好.据说他已告诉了她一切.注意:Itlookedthathewasright.(×)可以说:Itlooksa
6、sif….用形式主语it的主语从句常见结构Itisclear(necessary,important,possible,remarkablethat…很清楚（必要,重要,可能,值得注意等)…Itisafact(agoodthing,goodnews…)that…事实是(好事是,好消息是…)…Itiswell-known(reported,recorded,estimated,said,believed)that…众所周知(据报道,,据记载,据说,据估计)…Itturnsout(seems,happens,app
7、ears…)that…结果是(似乎是,碰巧是,好象是…)…Ithasbeenfound(hasbeenproved,canbeseen,mustbepointedout)that…已发现(已证明,可以看出,需指出)…用it句型翻译:据说今年高一学生要学新教材.事实是他们靠自己完成了所有的任务.碰巧他们已经参加过军训了.众所周知,比尔·盖茨是世界上最富有的人.我们应该养成好的学习习惯这很重要.ItissaidthattheSeniorGradeonestudentswilllearnanewtextthisyea
8、r.Itisafactthattheyfinishedalltheworkbythemselves.Ithappenedthattheyhadhadtheirmilitarytraining.Itiswell-knownthatBillGatesistherichestpersonintheworld.→→→→→Itisimportantthatwe(should)formagoodh
