Simone
1. 分词作状语实际把状语从句简化。简化的条件：其逻辑主语一定要与主句的主语保持一致。 While he was reading the book, he nodded from time to time. ----Reading the book, he nodded from time to time. Because he was shy, he didn’t come to the party. ----Being shy, he didn’t come to the party. As the book is written in simple English, the book is easy to read. ----Written in simple English, the book is easy to read. 2. 分词作状语时可分为以下几种形式：* doing ： 用来表示主动，且前后动祥哪旦作同时进行。Returning home later, my friend learned that the police had been to the flat.* having done: 用来表示主动,且动作发生在主句之前。Having seen the film before, I decided not to see it again.* being done: 用来表示被动,且前后动作同时进行。Being questioned by the police, he felt frightened.* done: 用来表示被动且缓燃完成Destroyed in the storm, the house will be rebuilt.* having been done: 用来表示被动，而且强调动作持续 一段时间或次数。Having been defeated three times, he had to give up.* 否定形式： not/ never + 分词结构Not studying hard, he didn’t pass the test.Never having taken a plane before, he was nervous.3. 分词谨扰作状语如果前后主语一致可简化时间、条件、原因、结果和伴随等状语从句。(条件)If you work harder, you will do better in the exam next time. ---- Working hard, you will do better in the exam next time. （时间） After I did my homework, I went back home. ----Having done my homework, I went back home. (伴随）He hurried to the station and hoped to catch the last train.---- He hurried to the station, hoping to catch the last train.。(原因)Because my friend was frightened of losing his job, he said nothing to the police. ----Frightened of losing his job, my friend said nothing to the police. (结果) His parents were killed in the SARS epidemic and left him an orphan. ---- His parents were killed in the SARS epidemic, leaving him an orphan.
