used as an adjective or adverbGrammar and usage -ing 形式作定语既可表示动作正在进行，此时相当于一个定语从句；又可表示所修饰名词的性质或用途。a running manThe man running inthe picture is Liu Xiang. attributeThe man who is running in the picture is Liu Xiang.相当于：Rewrite the following sentences with Rewrite the following sentences with attributive clauses.attributive clauses.The teacher teaching us English is Mr. Qi. =The teacher who is teaching us English is Mr. Qi.The people sitting behind us are all teachers.The expert coming from Huaian
