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1、Grammar同位语从句复习---ByCable同位语是句子成分的一种,它位于名词、代词后面,说明它们的性质和情况,它可以由名词、代词、名词性短语或从句充当。同位语theAppositive语法精解(一)同位语的表现形式有以下几种：(1)名词Tom,ourmonitor,isahandsomeboy.(2)代词Imyselfwilldotheexperiment.(3)数词Sheistheoldestamongthemsix.(4)从句Hetoldmethenewsthattheplanehadexploded.他告诉我飞机爆炸的消息。(5)由suchas,thati
2、s引导Somesubjects,suchasmathsandphysics,areverydifficulttolearn.某些学科,例如数学和物理,是很难学的。(6)由or引导Thefreezingtemperature,orfreezingpoint,isthetemperatureatwhichwaterfreezesunderordinarypressure.结冰温度即冰点,是水在常压下结冰时的温度。同位语从句theAppositiveclause(1)同位语从句的定义在复合句中跟在一个名词或代词后，对其做进一步解释说明的从句。同位语从句是名词性从句的一种，在
3、句中充当同位语语法精解(二)它一般放在fact,news,idea,truth,hope,problem,information,belief,thought,doubt,promise,question，suggestion等名词的后面,对前面的名词作进一步的解释,说明前面名词的具体内容。引导同位语从句的引导词有连词that,连接副词how,when,where,whether,what等。e.g.Thehopethathemayrecoverisnotgoneyet.Theproblemwhetherweshouldcontinuetodotheexperimen
4、thasbeensolved.Ihavenoideawhenhewillcomeback.1.同位语从句有时被别的词或短语把它和名词隔开：注意:-ThestorygoesthatWilliamTellkilledthekingwithanarrow.-Wordcamethattheirteamhadwon.2.同位语从句中使用虚拟语气的情况注意:在suggestion,advice,request,order,demand,requirement等意为“建议，要求，命令”的n./v.后，同位语从句的谓语v.通常用虚拟语气结构“should+v原形”，其中should可
5、省略。---Ourteachergaveussomesuggestionhowwe(should)usethecomputer.---Themanagerorderedhimthathe(should)finishtheworkinaday.⑵同位语从句的表现形式:①由that引导-Thefactthatyouhaven’tenoughtimetodotheworkissimplyunbelievable.-Thehopethathemaycomehereisnotgoneyet.-ThenewsthathehasbeenelectedpresidentoftheUn
6、itedStatesistrue.-Thetruththatheavyobjectsandlightobjectsfallatthesamespeedisknowntoall.-Theproblemthatshelaterdevelopedaseriouslungdiseasebotheredscientists.②由whether引导---Thequestionwhetherweneedmoretimetodotheworkhasnotbeendiscussed.③由when引导---Ihavenoideawhentheywillgo.④其它特殊形式有时可用name
7、ly(即),thatistosay(也就是说),inotherwords(换句话说),thatis(那就是),forexample等引出同位语,说明其前面的名词或代词。有时同位语直接跟在名词或代词的后面。---Hetoldusthegoodnews,namely,themuseumisopentoall.---ThereisonlyonewayofimprovingyourEnglish,thatis,topracticemore.---AltogetherDollyhadlivedforsixyears,halfthelengthofthelife
