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连词连接词与词、短语与短语、或引导从句的词并列连词从属连词and(和), but(但是), or(或者,否则), when(当时),while(正当时),after(在之后),before(在之前) since(自从)however(然而,无论如何), nor(也不), so(所以), for(因为)until(直到),although/though(虽然), if(假如),as(如；由于) as if(仿佛)both.and(.和.), not only.but also(不但而且)as as(和一样),as far as(就而言),as long as(只要),as soon as(一就)as well as(也), still(可是),even if(即使),because(因为),unless (除非),than(比),whether (是否)either or(或或), neither nor(既不也不)in order that(为了),sothat(如此以致),so that(以便),now that(现在既然)by the time(到时),every time(每当), no matter when/whenever无论何时时态公式when主将从现，主过进从过while doing while doingafter 一般过去时的标志before, since现在完成时的标志not.until.主将从现，主过从也过as soon as.主将从现unless 主将从现if“如果”主将从现if “是否”主现从不限， 主过从也过 常用连词辨析(1) because(因为)用于回答why的问句， because 不与so 连用。as(因为)语气比because弱,since(既然)无需说明的原因for(因为)补充说明或提供解释(2) “是否”,if和whether同义,引导宾从, 与or not，to do，介词连用，只用whether而if还可以表示“如果”,引导条件状语从句,(主将从现)。 (3)while+进行时；when+一般时；as译为“一边一边”(4)till/until与nottill/until： “直到” “直到才”(5) but “但是” 表转折，道歉时也用 Im sorry, but. Id like to, but.though，although，even though, even if：“虽然”,不可与but连用,但与still/yet连用(6)prefer to do rather than do“宁愿也不”=would rather do than doprefer doing to doing “更喜欢比”=like.better than.(7)and 连接两个主语，被视为复数;在文中不需要意思时（顺承关系）用and 不可数 and 不可数 are Come on, and youll catch up with others.(8)or “或者，否则” ，常与and弄错。 Hurry up, or well miss the bus. Study hard, and youll get progress. Study hard, or youll fall behind others.(9) both.and.作主语被视为复数 not only .but also，either or，neither nor就近原则连词中考点意思示数公式近七年河北中考连词原题再现2006年30.He missed the train this morning_ he got up late. A.orB.if C.but D.because2007年30. I didnt know he came back _I met him in the street.A.since B.when C.until D. after2008年30. Susan will not arrive at the airport on time_she hurries up.A.once B.if C.when D.unless2009年43. _ they may not succeed, they will try their best.A. Though B.When C.Because D.Unless2010年42. Peter likes reading_he is having breakfast.A. untilB. whileC. becauseD. though30. Jenny, put on your coat_ you will catch a cold.A. but B. and C. or D. so2011年33.Tony is a quiet student, _ he is active in class. A.so B.and C.but D.or41.They will lose the game_they try their best. A.unless B.once C.since D.after2012年36. Studying in groups is necessary _ you want to do well in school.A. ifB. untilC. unlessD. though
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