when,while,until,before,as,as soo as等时间状语从句在时态上有什么...答:As soon as his father went out, the boy ran to the cinema.爸爸刚出门, 那男孩就跑向电影院。until在肯定句中,可以和时间状语连用,表示“(动作或状态的继续)一直……为止”。例如:I waited until nine o’clock,andthen I left.我一直等到9点才离开。2.用在否定句中,表示“到……为止”...