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1、► 考点四 定语从句中的主谓一致规则1：关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。如：I,whoamyourclosefriend,willtrymybesttohelpyouwheneveryouareintrouble.规则2：先行词为“oneof＋复数名词”时，定语从句谓语动词用复数形式；而先行词为“theonlyoneof＋复数名词”时，定语从句谓语动词用单数。如：HarryPotterisoneofthebestsellersthatarepopularwith
2、teenagers.HarryPotteristheonlyoneofthebestsellersthatmakestheauthorabillionaire.返回目录专题10正反解读定语从句正面解读规则3：非限制性定语从句中，由关系代词as或which代替整个主句时，从句谓语动词要用第三人称单数形式。如：Hehaspassedtheexam,whichmakesussurprised.GreatchangeshavetakenplaceinChina,asisknowntoall.规则4：关系代词和
3、谓语动词之间有插入语时，谓语动词单复数要看关系代词的指代。如：ToownaTVsetineachfamily,whichwethinkwasimpossible30yearsago,nowhasbecometrue.返回目录专题10正反解读定语从句正面解读规则4：以theway为先行词的定语从句通常由inwhich或that引导，而且通常可以省略。如：Theway(inwhich/that)heansweredthequestionwassurprising.(inwhich/that在从句中充当状语
4、)温馨提示Theway(which/that)heexplainedtouswasquitesimple.(which/that在从句中充当宾语)返回目录专题10正反解读定语从句正面解读3．关系词与被替换词重复【误】ThisisthejacketwhichIboughtitlastmonth.【正】ThisisthejacketwhichIboughtlastmonth.[解析]which在从句中作宾语，it多余。返回目录专题10正反解读定语从句反面解读(3)【误】Ihadtoldthemtherea
5、son,whyIdidn'tattendthemeeting.【正】Ihadtoldthemthereason,forwhichIdidn'tattendthemeeting.[解析]that,why通常不用于引导非限制性定语从句。返回目录专题10正反解读定语从句反面解读规则6：一些特殊的先行词如situation,point,case,activity，scene及period,festival,occasion等要注意具体情况具体分析，作主语、宾语和表语时，用关系代词that/which；作状语时
6、，用关系副词where/when或“介词＋which”。如：(1)Thereisonepoint(that/which)wemustinsiston.有一个观点我们必须坚持。(定语从句可还原为：wemustinsistonthepoint,所以先行词point在定语从句中作宾语，故用that/which或省略。)返回目录专题10正反解读定语从句正面解读(2)We'rejusttryingtoreachapointwherebothsideswillsitdowntogetherandtalk.我们正努
7、力做到能让双方坐下来对话。(定语从句可还原为：…atapointbothsideswillsitdowntogetherandtalk,故先行词point在定语从句中作状语，所以关系词用where/atwhich。)返回目录专题10正反解读定语从句正面解读►考点六 定语从句和其他句型之间的关系规则1：区别such…as…/so…as…引导的定语从句和such/so…that…引导的结果状语从句。如果从句缺少主语或宾语就是定语从句，连接词用as；如果从句的结构完整，就是结果状语从句，连接词用that。如
8、：Heissuchagoodboythateveryonelikeshim.(从句不缺句子成分，that引导结果状语从句)Heissuchagoodboyaseveryonelikes.(从句中likes缺宾语，用as充当并引导定语从句)专题10正反解读定语从句规则2：区别非限制性定语从句与并列句定语从句与主句之间用关系词连接；并列句之间用并列连词连接。如：Hesaidnothingthatmademeangry.(限制性定语从句，that是关系代词)H
