1、表示并列关系的连词有and, both, neither...nor...,表选择关系的连词有or, or els髫潋啜缅e, either...or...等等，表示因果关系的连词有for, so,表示转折关系的连词有but, yet, while,or
3、引导时间状语从句的从属连词有when, while, as , whenever, before, after, since, until, as soon as, the moment, the second, the instant等
5、引导让步状语的从属连词有though, although, even if, even though, w茑霁酌绡hile, however, whatever等，如i will not trust you although you have told me the truth
