如何做好高考英语阅读表达题答:标志词:when, while, as, after, before, since, until, as soon as, once, …G.条件关系:标志词:if, suppose (that), supposing (that), unless, in case, so (as) long as, so far, on condition (that), provided (that), providing (that),without, …I. 表示目的(意图)标志词:to, in ...