大学英语四级语法精要：连词

Ⅴ 连词

并列连词

表示意义的引申: and, both…and, not only…but(also), as well as, and …as well, neither…nor

表示选择: or, either…or

表示转折: but, while, whereas, yet, however/nevertheless(也可认为是副词)

表示因果: for, so, therefore, hence

从属连词

表示时间: when, while, as, after, before, since, until(till), as soon as, once

表示原因: because, as, since, now that, seeing that

表示条件: if, unless, in case, provided(that), suppose, as long as, on condition (that),

表示其他关系: (al)though, than, as/so…as, lest, in order that, so…that