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时间:2018-07-22
《2014届高三一轮复习英语精品资料 专题九 名词性从句从句(新课标专用)word版含解析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、www.ewt360.com升学助考一网通专题九 名词性从句一、名词性从句的连接词1.从属连词that,whether和if(1)that,whether,if在从句中不充当任何成分,只起到连接从句的功能。that没有实际意义,而whether,if意为“是否”。(2)whether与if的用法比较二者均可作“是否”讲,都可以引导名词性从句,引导宾语从句时可以互换。Idon’tknowwhether/ifhe’llattendthemeeting.在下列情况下,常用whether,不用if。①whether引导
2、从句可以放于句首。Whetherhecomesornotmakesnodifference.②whether可引导表语从句和同位语从句,if不可。Thequestioniswhetheritisworthtrying.Thequestionwhetherheshouldjointheteamhasnotbeendecidedupon.③whether可以作介词宾语,if则不可。Ihaven’tsettledtheproblemofwhetherI’lllendhimthemoney.④whether后可以加不定
3、式,if不可。Hedidn’tknowwhethertogetmarriedortowait.⑤可以用whether...or引导让步状语从句,意为“无论,不论”,if则不可。Whetheritrainsorsnows,Idon’tcare.2.连接代词引导名词性从句的连接代词有:who,whom,whose,what,which,whatever,whichever,whoever。连接代词在句中既起连接作用,同时又充当主语、宾语、定语、表语等成分。3.连接副词引导名词性从句的连接副词有:when,where
4、,how,why。连接副词在句中既是连接词,又作状语。二、主语从句1.主语从句在复合句中充当主语,第8页www.ewt360.com升学助考一网通大多数主语从句都可以用it作形式主语而把主语从句置于句尾。2.that引导主语从句时可用it作形式主语,that不可省;what引导的主语从句表示“……的东西”时,一般不用it作形式主语;whatever,whoever,whichever一般也不用it作形式主语。Thatshewillsucceediscertain.→Itiscertainthatshewills
5、ucceed.Whatheneedsismoreexperience.(1)It+系动词+形容词(necessary,right,likely,unlikely,wrong,important,certain,clear,obvious,strange,normal等)+that从句Itiscertainthatmostofthefarmershavebroughtinmoremoneybyallmeans.(2)It+be+名词(短语)(apity,ashame,goodnews,afact,anhonour
6、,awonder,nowonder等)+that从句It’snowonderthatyou’veachievedsomuchsuccess.(3)It+be+过去分词(said,told,heard,reported,decided,suggested,advised,ordered,remembered,thought,considered,wellknown,announced等)+that从句Itissaidthattheprofessorhasalreadysucceededincarryingoutt
7、heexperiment.(4)It+特殊动词(seem,appear,happen,matter)+that从句IthappenedtomethatIhadbeenawaywhenhecalled.注意:(1)在“Itisnecessary,important,strange,natural+that从句”结构中,从句常用“(should+)动词原形”形式。(2)在“It+be+suggested,advised,ordered,requested,insisted,required+that从句”结构中,t
8、hat从句应用“(should+)动词原形”。三、宾语从句1.动词的宾语从句(1)大多数动词(hope,tell,say等)可以带宾语从句。Weallexpectthattheywillwin,formembersoftheirteamarestronger.Idon’tthinkyouareright.Idon’tsupposehecares,doeshe?(2)动词find,fee
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