动词-ing形式用法-精品课件(PPT)

omoted Tom, but he didn ’ t mention having been promoted when we talked on the phone. 我听说他们提拔了汤姆,但我们在电话里交谈时汤姆没有提到被提拔的事。三. 现在分词在句子当中担当的句子成分:主语、宾语、表语、定语、宾补,状语⑴动词- ing 形式作主语通常放句首,被看作是单数,所以谓语动词用第三人称单数形式 1.做主语 eg . Getting up early is a good habit. eg . It is no use talking with him . It was a waste of time watching TV . ⑵有时用 it 作形式主语,把动词- ing 形式置后。例如: a waste of time no good/no use It +be+ useless + V- ing worthwhile fun ⑶在 there be 结构中作主语,例如: no no sense in (没有道理) There be+ no point in (毫无意义) + V- ing no use in eg . There was no knowing when he would leave. 无法知道他什么时候离开。 There is no point in discussing such matter. 讨论这样的问题毫无意义。