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1、RelatedConception(相关概念)1.名词:表示人或事物的名称的词叫名词。2.名词在句子当中一般可以作什么成分?名词在句中主要作主语、宾语、表语和同位语。TheboyisliMing.主语表语Mr.Liang,a24-year-oldboy,teachesusEnglish.主语同位语宾语名词性从句NounClauses在复合句中起名词作用的从句叫名词从句(NounClauses）。名词从句的功能相当于名词词组,它在复合句中能担任主语、宾语、表语、同位语、介词宾语等，因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句
2、、表语从句和同位语从句。名词从句NounClausesSubject(主语)Predicative(表语)Object(宾语)Appositive(同位语)Clause1.YouknowthatIamateacherofEnglish.2.ThatIamateacherofEnglishisknowntoyouall.3.ItisknowntoyouallthatIamateacherofEnglish.4.ThefactthatIamateacherofEnglishisknowntoyouall.5.Iamworriedaboutwhether
3、youcandowellintheexam.6.WhatIamworriedaboutiswhetheryoucandowellintheexam.thatIamateacherofEnglishThatIamateacherofEnglishthatIamateacherofEnglishwhetheryoucandowellintheexam.ObjectClauseSubjectClauseSubjectClausePredicativeClauseAppositiveClausethatIamateacherofEnglishwhether
4、youcandowellintheexam.ObjectClauseFindtheclausesandtellthefunctionofthem:SubjectClauseWhatIamworriedabout一、主语从句主语从句通常放在主句谓语动词之前或由形式主语it代替，而本身放在句子末尾。1.it作形式主语的四个主要句型1)It+be+名词词组(nowonder,anhonor,agoodthing,apity,nosurprise,etc.)+that从句It’sapitythatwecan’tgo.It’snosurprisethatou
5、rteamshouldhavewonthegame.2)It+be+形容词(obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)+that从句Itiscertainthatshewilldowellinherexam.Itisprobablethathetoldhereverything.3)It+be+过去分词(said,reported,thought,expected,decided,announced,arran
6、ged,etc.)+that从句ItissaidthatMr.GreenhasarrivedinBeijing.ItisreportedthatChinahassentanotherman-madeearthsatelliteintoorbit.4)It+不及物动词(seem,happen等)+that从句ItseemedthatAliceisnotcomingtothepartyatall.IthappenedthatIwasoutthatday.2.主语从句的主谓一致主语从句多表示单一概念,因此主句谓语动词多用单数.what引导的从句根据表达的
7、含义来确定谓语动词的单复数.Whenandwherewe’llgoisn’tdecided.Whatweneedarebooks/iswater.3.What与that的用法区别what在从句中作主语、宾语、表语,而that则不作句子成分.Whatyousaidyesterdayisright.Thatsheisstillaliveisgoodnews.4.Whether和if的用法区别通常,引导主语从句,表语从句,同位语从句用whether不用ifItdoesn’tmatterwhethershewillcomeornot.Theproblemi
8、swhethershewillhaveenoughtime.经典试题1.AfterYangLiweisucceededin
