动词的ing形式作主语和宾语PPT讲座在动词-ing 前加not Thank you for not smoking. His not coming made everyone very disappointed.动词-ing 形式的否定形式：动词的ing形式作主语，表语和宾语什么是主语(subject)？什么是宾语 (object)？He likes his dog.主语 宾语Swimming is my interest.I like reading.主语宾语结论_不能作主语和宾语_可以作主语和宾语动词原形动词的ing形式 1 动词-ing形式可直接置于句首作主语，谓语动词用单数。 Seeing is believing. 眼见为实。 A. 动词的ing形式作主语Dancing is their hobby.dance hobbyBiting nails is not a good habit.bite nails habitDoing exercise is the best way to lose weight.doexercise loseweight2 为了保持句子平衡，通
