1、when引导的时间状语从句用法 1.在过去,when从句和主句的动作先后发生 解释:表示在过去,主句和从句包含的动作先后发生了,或者主句或从句的动作先发生。 句子结构:when从句和主句都用过去式。 主句过去式常用was(were) about to,was(were) on the point等词组。
When she saw those pictures, she remembered her childhood. 二、表原因,可以和原因状语从句互换。如: Not knowing her address, I wasn't able to contact her. = Because I did not know her address, I wasn't able to contact her. 三、表条件,可以和条件状语从...
更多内容请点击：2016考研英语:分词作状语的用法总结 推荐文章