英语主语从句讲解

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1、定语从句：形容词性从句在句子中起定语（形容词）的作用ThebookthatIboughtyesterdayislost.名词从句：在句子中起名词的作用．主语　　　谓语　　　　宾语单个名词　　　　　　　单个名词一组词构成从句（主语从句）一组词构成从句（宾语从句）1主语从句；subject（谓语之前）2宾语从句；object（谓语之后）3表语从句；predicative（系动词之后）4同位语从句appositive(名词之后）引导词：That,whether,if,who,what,where,when,why,how,whoever,whatev

2、er,….WhetherhewillcomeornotisaquestionItisobviousthathewillwinthegame.ThathewillgotoLondonsurprisedusThefactisthatsheneverlikedhim.Ihopethatyoucanpasstheexam.Hethoughtitstrangethatshepassedtheexam.Thefactthathefailedtheexamshockedus.Whowillgomakesnodifference.Thatiswhyhewasl

3、ateforschool.主语从句WhetherhewillcomeornotisaquestionThathewillgotoLondonsurprisedusItisobviousthathewillwinthegame.That在句首引导的主语从句他是最好的学生，这是很明显的．it做形式主语的主语从句itis+adj+引导词＋从句itis+n+引导词＋从句itis+Ved+引导词＋从句Itisstillaquestionwhether/ifhewillcomeItisunknownwhichteamwillwinthegame.Itiss

4、trangethatheshouldlikeher.Itturnedoutthat……/itissaid/reported/believedthatItdoesn’tmatterwhetherItmustbepointedoutthat主语从句不能将if放句首what与that在引导主语从句时的区别what引导主语从句时在从句中充当句子成分，如主语、宾语、表语，而that则不然。What引导的主语从句一般不可改为含形式主语的句子。例如：1)Whatyousaidyesterdayisright.2)Thatsheisstillaliveisce

5、rtain.Itisrightwhatyousaidyesterday.Itiscertainthatsheisstillalive.×√._______Ican’tunderstandiswhyhehaschangedhismind..___________theearthisroundisknowntousall.归纳：WhatThat连词_______在从句中不作成分，不含有疑问意义，而_____在从句中作成分，thatwhat1）____youdon’tlikehimisnoneofmybusiness.A.WhatB.WhoC.Tha

6、tD.Whether2)____hesaidatthemeetingastonishedeverybodypresent.A.WhatB.ThatC.ThefactD.Thematter高考题选萃宾语从句Ihopethatyoucanpasstheexam.Hethoughtitstrangethatshepassedtheexam.it做形式宾语的宾语从句我们把餐前洗手当成一个规则我们觉得很奇怪．你竟然喜欢他，Wemakeitarulethatweshouldwashourhandsbeforemeals.Wethinkitstrangeth

7、atyoushouldlikehim.1.Ihate____ whenpeopletalkwiththeirmouthsfullA.it B.thatC.theseD.them2.Ifeel____strangethatheshouldbesocareless.A./B.itC.thatD.how3.Itworriedherabit ____herhairwasturninggrey.A．whileB.thatC．if D．For4.______needfurtherdiscussionwhetherwewillbuythehouseornot

8、.ThatB.thisC.itD.thething.5.Iwillseeto______thatallthelightsareturnedoff.A.