非谓语动词的句法功能 • 一 作主语A . 不定式 • To see is to believe. ( 强调具体行动更强调一次性 )B. –ing • Seeing is believing. 眼见为实 ( 一般行为 )C. the+ 过去分词 表一类人 The injured were sent to hospital. 常用不定式的惯用句1. It is + adj. +to do sth eg: It is not safe to drink the polluted water. It is + adj.+ of sb to do sth for sb to do sth eg: It is kind of him to help. ( He is kind.) It is impossible for him to help us. ( He is impossible. x) 2. It is a/ an +n (crime, mistake, pity, shame, good idea) + to do sth eg: It is an offence to take photos here.3. It takes + …to do sth eg: It would take years to rebuild the castle.常用不定式的惯用句 常用 -ing 的惯用句1. It is no use /good waiting for him.2. My sister’s falling ill worried my mother greatly.逻辑主语 形容词性物主代词 名词所有格 二 作表语A . 不定式 说明主语的内容表具体某次动作或即将发生的动作.1. My hobby is to collect old coins. The “to” is optional in sentences such as: The only thing to do / we can do is (to) write to him. All we can do is to write to him.2. Our aim is to build China into a powerful, modern socialist country. B . –ing• 主语常是表示事物或动作的名词-说明主语的内容(动名词) Her job is teaching English.• 主语常是表示事物的名词-表示主语所具有的特征(现在分词) The news is exciting.C . 过去分词- 表示主语所处的状态主语常是表示人的名词 I am married. 三 作宾语A . 不定式 某些动词后面要接不定式作宾语 :intend, decide, wish, want, refuse, promise 等 注意: help (to) do sth 在 expect, mean, intend, want, like, prefer, hate 等之后 +there to beeg: People don’t want there to be another war. B. –ing 1. 某些动词后要接 – ing 作宾语: admit, avoid, dislike, mind, finish, practise, enjoy, imagine, suggest, f...