摘要：-ing形式的基本用法. (1)作主语:Seeing is believing.百闻不如一见.Talking is easier than doing. –ing作主语时.如果其结构较长.可用it作形式主语.而将作主语的-ing后置.如:It isn’t much good writing to them again. It’s no use waiting here. (2)作表语:Her job is washing and cooking. My hobby is collecting stamps. (3)作宾语:①作及物动词的宾语.She likes drawing very much.,②作某些短语动词的宾语. Mary is thinking of going back to New York.,③ do+限定词+ -ing.表示“做-事 之意.如:We often do our cleaning on Saturday afternoon. Will you do any shopping on Saturday this afternoon? ④作介词的宾语:Her sister is good at learning physics.,⑤作形容词worth, busy等的宾语:This book is well worth reading. –ing作宾语带有宾语补足语时.要用it作为形式宾语.而将作宾语的-ing后置.如:We found it no good talking like that. Do you think it necessary trying again? (4)作定语:The sleeping child is only five years old. Do you know the man standing at the gate? 注:-ing形式作定语用时.如果-ing只是一个单词.就位于其修饰的名词之前.如果是-ing短语.就位于其修饰的名词之后.-ing作定语时.被-ing所修饰的名词就是该-ing的逻辑主语.另外.-ing作定语用时.其动作和句子谓语动词所表示的动作是同时进行的.如果不是同时进行的.就不能用-ing作定语.要使用定语从句.如:The girl who wrote a letter there yesterday can speak English very well. (5)作宾语补足语:We can see steam rising from the wet clothes. 注:当-ing在复合宾语中作宾语补足语用时.句中宾语就是这个-ing的逻辑主语.可以带有这种复合宾语的动词有see, watch, hear, observe, feel, find, have, keep等. (6)作状语:①时间状语:Seeing Tom, I couldn’t help thinking of his brother. 分词在句中作时间状语时.其前一般可加when或while.如:When crossing street, you must be careful. ②原因状语:Being ill, he didn’t go to school yesterday. ③方式或伴随状语:Mary stood at the school gate waiting for Betty.

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