1. 表示时间的-ing形式作“独立主格结构 Everyone being ready, the teacher began his class. 每个人都准备好后.老师开始上课.(相当于一个时间状语从句When everyone was ready) The chairman began the meeting , everyone being seated. 每个人坐好后.主席开始开会.(相当于一个时间状语从句after everyone was seated) 查看更多

 

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