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语法考点9：非谓语动词
§ a.V-ing状语：
§ 规则：两个动作同时发生，主语一致，其中一动作可以写成V-ing 做状语
§ 如：I climbed the stairs. I took a suitcase.
§ V-ing状语： I climbed the stairs, taking a suitcase.
真题练习：
1. Last week the boy and his friends celebrated his twentieth birthday, ______ (尽情地唱歌跳舞)（06.6）
§ 答案：
§ 2. We hope the new machine will work faster, ________________(从而降低我们的成本
§ 答案：
§ 模拟练习：1.On hearing that news, I ________(忍不住笑起来) and spread it among the class.
§ 答案：
§ 2. Since the death of her husband, she got into the habit of _____ (让门一直关着).
§ 答案：
§ 3.Mark often____________________________(试图逃脱罚款) whenever he breaks traffic regulations.
§ 答案：
§ 7. What a lovely party! It's worth______( 牢记一生 ).
答案：
