高考复习语法系列-状语从句和练习.docVIP

语法专题 之 状语从句 分为：时间、条件、让步、原因、目的、结果、比较、地点、方式9种。 时间状语从句 引导时间状语从句的连词有： when, as, while, until, not…until, before, after, since, the minute, the moment, each( every, next, the first) time等。时间状语从句中一般用一般现在时或一般过去时。 when , while, as 都可解释为“当```的时候”但侧重点有所不同。 When Eg: When I arrived home , I had a little rest. 注意： when 从句的主语与主句主语相同，谓语动词是be 动词时，从句主语和be可以省略。 Eg: When (she was) walking along the street, she met her class teacher. As As 除了表示“当```的时候”，还可表示为“一面```一面”，“随着” Eg: He sang as he danced. (一面```一面) You will grow wiser as you grow older. (随着) While表示“当```的时候”强调主句的动作和从句的动作同时发生，从句一般用进行时，从句动词必须是延续性动词。 Eg: While we were working, they were having a rest. While (they were) having a discussion, they got very confused. 注意： while 还有 “然而”的意思。 I prefer black tea, while he likes coffee. until, not…until “直到```才”,在肯定句中主句常用延续性动词；在否定句中主句常用短暂性动词。 肯定句：I waited until midnight. 否定句：I did not leave until midnight. 注意： 1）not until…在句首，主句用倒装 eg: Not until you had explained how did I manage to do it. 2) It is not until…that…引导的强调句 It was not until it was dark that he came back. 3. the minute, the moment, each time 表示“一```就```” eg: The worker recognized the type of the machine the moment he saw it. hardly/scarcely…when, no sooner…than, as soon as 表示为“一```就```” eg: I had hardly/scarcely got home when it began to rain. I had no sooner got home than it began to rain. It began to rain as soon as I got home. 注意：hardly/scarcely…when, no sooner…than位于句首，主句用倒装 eg: Had I hardly/scarcely got home when it began to rain. No sooner had I got home than it began to rain. 5. By the time + 状从（过去时），主句（过去完成时） By the time + 状从 （现在时），主句（将来完成时） By the time she came back, all the guest had left. By the time the class is over, we will have finished learning the whole passage. 练 习 题 1. It was quiet ________ those big trucks started coming through the town. A. before B. after C. until D. unless? 2. It seemed only seconds ________ the boy finished washing his face