复习时间、条件和让步状语从句 语法精讲 一、状语从句 1.时间状语从句 【语境领悟】 *When I met the Gills,I had been gardening for nearly ten years. 遇到吉尔一家时,我已经做了近 10 年的园艺工作。 *As it grew darker,it became colder. 随着天越来越暗,天气也变得越发冷了。 *Keep him outside till/until I give you the nod. 没我同意,你别让他进来。 *Until she spoke I hadn't realized she was foreign. =Not until she spoke had I realized she was foreign. 直到她开口说话,我才知道她是外国人。 *It will be one year before we meet again. 一年后我们才能再次见面。 *How long is it since we visited your mother? 自从我们看望你母亲以来到现在有多长时间了? *As soon as/Immediately/The moment we were inside,the rain began to bucket down. 我们刚进屋,大雨便倾盆而下。 *Hardly had I got home,when the telephone rang. 我刚到家,电话就响了。 *Children's lives are in danger every time they cross this road. 孩子们每次过这条马路都面临着生命危险。 【知识归纳】 (1)引导时间状语从句的连词有:when,as,while,till,until,before,after,since,as soon as,immediately/instantly,the moment/minute/instant,each/every/next/the first time 等。 (2)till/until 意为“直到(……为止)”,till 多用于口语,位于句首时通常用 until。not...until 意为“直到……才”。当 not until...置于句首,句子部分倒装。 (3)连词 before“在……之前”也可翻译为“还未……就……;趁……;还没来得及……”。句型“It will be+一段时间+before...”意为“一段时间之后才……”。 (4)句型“It is/has been+一段时间+since...”表示“自从……以来已经有一段时间了”,since 从句中用一般过去时。 (5)as soon as,immediately,directly,instantly,the moment,the minute,the instant 等从属连接词引导的从句都表示从句的动作一发生,主句的动作随即就发生,常翻译为“一……就……”。 (6)句型“no sooner...than...”和“hardly/scarcely...when...”,表示“刚一……就……”,主句中用过去完成时,than/when 从句中用一般过去时。当 n...