初中英语连词专题.doc

文档介绍：连词介绍连词的含义连词是一种虚词,它不能单独做句子成分,只起连接词与词、短语与短语或句子与句子的作用,也没有词形变化。并列连词表并列关系and,both⋯and⋯表转折关系but,while,yet表选择关系or,either⋯or⋯表因果关系so,for,then从属连词引导状语从句表时间when,while,before,after,assoonas,since,until表原因as,because,since表地点where,wherever表条件if,unless,aslongas表目的sothat,inorderthat表让步although,though,eventhough表方式as,asif表比较as⋯as⋯,⋯than⋯表结果so⋯that⋯,such⋯that引导宾语从句、主语从句和表语从句That,whether,if,wh-⋯and⋯?ButHeisfifty,,,⋯or⋯,neither⋯nor⋯:用either⋯or⋯,neither⋯nor⋯连接两个名词或代词作主语时,谓语动词采用就近原则。Notonly⋯butalso⋯ing.(谓语动词采用就近原则):when,while,as,after,before,since,until,:。Lilydidn’:because,as,:Johndidn’,let’:where,:if,unless,incase,:Ifitdoesn’traintomorrow,’