现在分词的用法和功能v-ing 作表语动名词作表语作表语的动名词所体现的是名词的特性，用于对主语的内容进行解释说明，且主语和表语可以换位。1.What I am tired of is waiting here alone for a long time.2.My hobby is swimming.v-ing 作表语现在分词作表语作表语的现在分词是形容词性质的，表示主语的性质或特征，主语和表语不能换位。1.The result of this year Gaokao is so encouraging.2.It was disappointing that you didnt keep your word and gave up yourself so early.v-ing 作定语1.动名词作定语表示名词的属性或事物的用途，且只能作前置定语waiting area a walking stick a swimming poola reading room a dinning hall sleeping pills 2.现在分词作定语表示正在进行的动作或某种状态，单个现在分词作定语时
