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宾语从句三要素

宾语从句三要素

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宾语从句三要素

宾语从句三要素宾语从句,即:在主句中担当宾语的从句。学习宾语从句要抓住三要素:连接词、语序和时态。连接词一般都是that(指事务或人),which(指事),who(指人)1.从句为陈述句,常选择连接词that或将that省略,直接与主句相连。2.从句为一般疑问句,常选择连接词if或whether。在whether…ornot结构中不能用if替换。3.从句为特殊疑问句,常选择what,when,where,which,who,how等的疑问代、副词作连接词。注意:当who为主语时,句式为:who+谓语+其他三:判断时态情况:1。主句是一般现在时,从句为各种时态情况2。主句是一般过去时,从句为各种相应过去时态注意:从句描绘客观事实,用一般现在时1.Theteachertoldthechildrenthatthesun____round.  A.wasB.isC.wereD.are  2.Ibelievethatourteam____thebasketballmatch.  A.winB.wonC.willwinD.wins  3.Idon’tknow____tovisittheoldman.  A.whetherB.ifC.thatD.who Thesoldierssoonreached()wasonceanoldtemple()thevillagersusedasaschool.A.which;whereB.what;whichC.where;whichD.what;where答:选B,动词reach后接宾语从句,从句缺少宾语,where不可,which引导宾语从句时表疑问含义“哪一个…”而此句中并非疑问含义,不知道哪一座庙宇,而是用what从句表陈述含义,意“过去的一座旧庙宇”;temple后为对其修饰的定语从句,用关系代词which代替,并在从句中作动词used的宾语,usesth.as…“把…用作…whether+ornot宾语从句,在复合句中作宾语,位于及物动词后;eg.Tellhimwhichclassyouarein.Doyouknowwhathelikes?注:(1)主、从句时态一致:主句谓语过去时,从句相应过去时;Heansweredthathewaslisteningtome.主句谓语现在时,从句时态任所需;eg.Hesays(that)hewillleaveamessageonmydesk.Theyknow(that)heisworkinghard.具体过去永不变,真理格言现在时;eg.Hetoldmethathewasbornin1980.Fathertoldmethatpracticemakesperfect.(2)否定前移,及完成反意问句;在think/believe/suppose/guess/imagine/expect等动词后跟宾语从句否定式时,应转移到主句上去,完成反意问句时,应与从句主、谓保持一致。(注:否定前移的条件是,主句主语是第一人称)eg.Idon'tthinkyouareright,areyou?Idon'tbelievetheyhavefinishedtheirworkyet,havethey?(3)在表示建议suggest,advise要求demand、desire、require、request、propose;决定decide;命令order、command;坚决主张insist;等动词后跟宾语从句,用(should)+v.(虚拟语气)eg.Isuggestedthatyou(should)studyhard.Heorderedthatweshouldgooutatonce.(4)如果宾语从句后有宾语补语,用it作形式宾语,把宾语从句后置eg.Youmaythinkitstrangethathewouldlivethere.(5)宾语从句that常可省略,但在以下情况下不能省略A.当主句谓语动词带有两个或两个以上宾语从句时,可以省略第一个that,其他不能省略。eg.Ibelieve(that)youhavedoneyourbestandthatthingswillgetbet?鄄ter.B.当it作形式宾语时eg.Shemadeitclearthatshehadnothingtodowithhim.C.当宾语从句前置时eg.Thatourteamwillwin,Ibelieve.