ing分词表伴随 需要逗号分开么.如he sat there smoking a cigarette还是 he sat

ing分词表伴随 需要逗号分开么.如he sat there smoking a cigarette还是 he sat 英语句子结构分析 he stood there smoking a cigarette he was sat there He came in with a smile on her face 伴随状语修饰什么的吖 She sat there He sat there,waiting for his son,这里的伴随状语为什么要用ing形式啊 ed不行吗 ed He sat there,thinking.对吗. He sat there ,waiting for his son这里的waiting for his son是伴随状语 He sat there for a lpng time without doing--- He sat there for a long time w___ doing anything He sat there () a long time without () anything. he sat there ( ） a long time without （ ）anything T______the exam,he sat there without writing a single word.