分词分词的形式：例write时态主动语态被动语态现在时writingBeing written 完成时Having writingHaving been written分词的用法： 1。定语 E.G: This is the problem discussed at the last meeting. The problem being discussed is very important.例write时态主动语态被动语态 现在时writingBeing written完成时Having writingHaving been written宾语补足语 When I work up, I found my mother sitting beside me.状语*（值得一背） 1. If you turn to the left, youll find the station. 2. As I didnt receive her letter, I called her up by telephone. 3. While I was walking to school yesterday morning, I met my friend. Turing to the left, youll find the station. Not receiving her letter, I called her up by telephone. Walking to school yesterday morning, I met my friend.造句： When school was over, the boys went home. Being over, the boys went home. School being over, the boys went home. If weather permits, Ill start tomorrow. Weather permitting, Ill start tomorrow.独立主格 Generally speaking Strictly speaking Talking of Speaking of Judging from Taking all things into consideration Considering