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1、高三英语第一轮复习：名词性从句（一）冀教版【本讲教育信息】一.教学内容：名词性从句（一）［教学过程］一.定义：在复合句中相当于一个名词，作主语、宾语、表语、同位语的从句。二.引导词：1.连词：that,if,whether,asif2.连接代词：who,what,which,whose,whom以及wh＋ever3.连接副词：when,where,why,because,how三.引导词的作用：1.连词只有连接的功能，而不在从句中充当句子成分。2.连接代词和连接副词不但有连接的功能，同时还要在从句中充当特定的句子成分，主语、宾语、表
2、语、定语、状语。主语从句基本概念1.定义：在复合句中作句子主语的从句叫做主语从句。2.构成：关联词＋简单句3.引导主语从句的关联词有三类：连词that、whether;疑问代词who,what,which;疑问副词when,where,how,why⑴连词that（无词意），whether（是否），在从句中不充当句子成分，只起连接作用;whether能引导主语从句，而if不能。Thatyoudon’tlikehimhasnothingtodowithme.WhetherJohnwilldothisexperimentremainsa
3、question.⑵疑问代词who,what,which,在从句中既作连接词又充当主语、宾语、表语、定语等。Whowillbesentabroadtofurtherhisstudiesisnotannounced.Whatsurprisedmemostwasthatsuchalittlegirlcouldplaytheviolinsowell.Whichschoolwillwintheprizeisnotknown.Whosedictionaryhasnotbeenfoundisstillunknown.Whicheveryouta
4、kewillbeyours.Whoeverwantsthisbookmaytakeit.Whateverwassaidheremustbekeptsecret.⑶疑问副词when,where,how,why在从句中充当时间状语、地点状语、方式状语、原因状语Whentheywillstarthasn’tbeendecidedyet.Wheretheheroinewentisnotmentionedattheendofthestory.Howhemanagedtofinishthecompositioninsuchashorttimei
5、sstillamystery.Whyheoftencomeshereisknowntousall.用心爱心专心难点1.主语从句能用it作形式上的主语，而把真正的主语放在后面。常以it作形式主语的句型有：A.It＋be＋形容词（well-known,obvious,true,natural,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.）＋that从句。如：Itiscertainthatshewilldowellinherexam.毫无疑问她考
6、试成绩会很好。Itisprobablethathetoldhereverything.很可能他把一切都告诉她了。B.It＋be＋名词词组（nowonder,anhonour,agoodthing,apity,nosurprise,commonknowledge,asurprise,afact,etc.）＋that从句。如：It’sapitythatwecan’tgo.很遗憾我们不能去。It’snosurprisethatourteamshouldhavewonthegame.我们没赢这场比赛真意外。C.It＋be＋过去分词（said
7、,reported,thought,expected,decided,announced,arranged,etc.）＋that从句。如：ItissaidthatMr.GreenhasarrivedinBeijing.据说格林先生已经到了北京。ItisreportedthatChinahassentanotherman-madeearthsatelliteintoorbit.据报道中国又成功地发射了一颗人造地球卫星。Ithasbeensuggestedthatmuchshouldbedonetopreventtheriverfrom
8、beingpolluted.有人建议应做更多的工作阻止河流受到污染。D.Itappears/seemsthat…（似乎……）Ithappensthat…（碰巧……）Itoccurredtomethat…（我突然想起……）Itseems
