中考英语——状语从句（PDF版）

中考英语 状语从句 1 2 主句 从句 连 词 Students were talking the teacher came in.when 状语从句 状语从句指用作状语，起副词作用 的从句。 3 状语 从句 分类 结果 状语 从句地点 状语 从句 目的 状语 从句 条件 状语 从句 时间 状语 从句 原因 状语 从句 让步 状语 从句 比较 状语 从句 方式 状语 从句 4 时间状语从句 when when既可以指“时间点”，与 瞬间动词连用； 也可以指“时间段”，与延续 性动词连用（=while）。 When he came in, his mother was cooking. When (While) we were at school, we went to the library every day. while while表示时间段，因此，while从句的谓语动词 要用延续性动词，另外while还可以表示对比。 Can you help me to send a letter while you are in the post office. Tom's brother was playing the computer games while Tom was studying hard. 5 as as着重强调主句动作与从句动 作同时发生，有“随着……”或 “一边……一边……”之意。 As you get older, you get more knowledge. As he walked along the lake, he sang happily. 6 before before表示“在……之前”，表 示主句的动作发生在从句的动 作之前。 He had been a cook before he went to college. I will go out to play basketball with you after I finish my homework. after after表示“在……之后”，表示主句的动作发生 在从句的动作之后。 7 since since引导时间状语从句，表示主 句的动作，从过去的某一点时间持 续到现在，从句时态常用一般过去 时，主句的时态一般用现在完成时。 He has not wri