并列連詞and,or,either...or,both...and,not only...but also,as well as
表轉(zhuǎn)折對(duì)比,but,yet,however,nevertheless, not...but
表原因,for, because,since,now that,considering that,seeing that
結(jié)果,so,hence
從屬連詞,when,while,as,after,before,since,until,till,as soon as,once,
表?xiàng)l件,if even if,unless, in case
http://zhidao.baidu.com/question/110829741.html
這里比較詳細(xì)