英语六遥语法精要连词　　英语六遥语法精要：连词 　　连词 　　并列连词 　　表示意义的引申: and, bothand, not onlybut, as well as, and as well, neithernor 　　表示选择: or, eitheror 　　表示转折: but, while, whereas, yet, however/nevertheless 　　表示因果: for, so, therefore, hence 　　从属连词 　　表示时间: when, while, as, after, before, since, until, as soon as, once 　　表示原因: because, as, since, now that, seeing that 　　表示条件: if, unless, in case, provided, suppose, as long as, on condition , 　　表示其他关系: though, than, as/soas, lest, in order that, sothat