动词-ing 形式作主语和宾语一、动名词的形式主动形式被动形式一般式doingbeing done完成式having donehaving been done二、v-ing 作主语的用法动名词作主语时,句子有三种形式:1
v-ing 直接置于句首主语的位置上
作主语表示抽象的或泛指的动作, 谓语动词用单数
动词-ing 形式作主语时常后置, 用 it 作形式主语,用形容词或名词作表语
常见的作表语的名词或短语有:useful, useless, no use, no good, fun, hard work, a hard / difficult job, a wonder, a waste of time 等
如:It is/was no good/use doing 做…是没用的It is/was worth/worthwhile doing 做…是值得的It is/was hardly/scarcely worth doing 做…不值得It is/was a waste of time doing 做…是浪费时间的3
“There is + no”后可以用动词-ing 形式作主语,表示“没法……”,=“It is impossible to do… ”
三、v-ing 作宾语的用法1
某些动词后只能用动名词作宾语,常见的此类动词有 : admit, escape, appreciate, excuse, stand, advise, allow, permit, avoid, consider, enjoy, finish, imagine, include, keep, mind, risk, miss, delay(延误), practise, suggest 等
★★ 常跟动词 ing 作宾语的动词歌诀:考虑建议盼原谅,consider, sugg