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1、1动名词作主语、宾语和表语1)作主语FightingbrokeoutbetweentheSouthandtheNorth.南方与北方开战了。2)作宾语a.动词后加动名词doing作宾语V.+doingsthadmit承认appreciate感激,赞赏avoid避免complete完成consider认为delay耽误deny否认detest讨厌endure忍受enjoy喜欢escape逃脱prevent阻止fancy想象finish完成imagine想象mind介意miss想念postpone推迟practise训练recall回忆resent讨厌resist抵抗resume继续r
2、isk冒险suggest建议face面对include包括stand忍受understand理解forgive宽恕keep继续举例：(1)Wouldyoumindturningdownyourradioalittle,please?(2)Thesquirrelwasluckythatitjustmissedbeingcaught.b.词组后接doingadmittoprefer…tobeusedtoleadtodevoteoneselftoobjecttosticktobusylookforwardto(to为介词)nogood,nouse,It’sworth…,aswellas,
3、can’thelp,It’snouse/goodbetiredofbefondofbecapableofbeafraidofbeproudofthinkof/aboutholdoffputoffkeeponinsistoncounton/uponsetaboutbesuccessfulgiveupburstoutprevent…from…3)作表语Herjobiswashing，cleaningandtakingcareofthechildren1worth的用法worth，worthy，worth-while都为adj.意为"值得"。1.1.worth：beworth+n.当名词
4、为金钱时，表示"……值得……"beworthdoingsth."……某事值得被做"考试通Thequestionisnotworthdiscussingagainandagain.1.2.worthy：beworthyof+n.当名词为抽象名词时表示"……值得……"beworthytobedone"某事值得被做"Thequestionisnotworthytobediscussedagainandagain.1.3.worth-while：beworth-whiletodosth"值得做某事"worthwhile：ItisworthwhiledoingsthItisworthwhil
5、esbtodosth.典型例题Itisnot____todiscusstheagain.A.worthB.worthyC.worth-whileD.worthwhile答案C.由worth的用法可知，此句只适合词组beworth-whiletodosth.。因此选C。在句子中起名词作用的句子叫名词从句(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、表语从句和同位语从句。一、引导名词性从句的连接词引导名词性从句的连接词可分为三类：连接词：that,
6、whether,if不充当从句的任何成分)连接代词：what,whatever,who,whoever,whom,whose,which.连接副词：when,where,how,why不可省略的连词：1.介词后的连词2.引导主语从句和同位语从句的连词不可省略。Thatshewaschosenmadeusveryhappy.Weheardthenewsthatourteamhadwon.比较：whether与if均为"是否"的意思。但在下列情况下，whether不能被if取代：1.whether引导主语从句并在句首2.引导表语从句3.whether从句作介词宾语4.从句后有"orno
7、t"Whetherhewillcomeisnotclear.大部分连接词引导的主语从句都可以置于句末，用it充当形式主语。Itisnotimportantwhowillgo.Itisstillunknownwhichteamwillwinthematch.二、名词性that-从句1)由从属连词that引导的从句叫做名词性that-从句。That只起连接主句和从句的作用，在从句中不担任任何成分，本身也没有词义。名词性that-从句在句中能充当主语、宾语、表语、同位语和形
