【正文】
lan, prefer, propose, regret, remember, start, try, want, need, can’t afford等 。 但是在下列句型中 , 一般宜用動(dòng)名詞 , 不宜用不定式來(lái)代替: It’s no use doing … It’s no good doing… It’s a waste of time doing … 例如: It’s no use going there today。高三英語(yǔ)總復(fù)習(xí)語(yǔ)法專項(xiàng)訓(xùn)練 動(dòng) 名 詞 一、動(dòng)名詞的形式 主動(dòng)形式 被動(dòng)形式 一般式 doing being done 完成式 having done having been done 二、功能及用法 1. 動(dòng)名詞 ( 短語(yǔ) ) 做主語(yǔ) , 如: Writing the book has taken up all his spare time. Seeing is believing. 注 ① :動(dòng)名詞 ( 短語(yǔ) ) 做主語(yǔ)還常用于下列結(jié)構(gòu): a. It’s no use sending him over. It’s too late already. It’s no good talking a lot without doing anything. It’s a waste of time arguing about it. b. There’s no joking about such matters. There’s no saying what he’ll be doing next. There’s no telling what he’s going to do. 注 ② : 動(dòng)名詞作主語(yǔ) 與 不定式作主語(yǔ) 的區(qū)別: 動(dòng)名詞作主語(yǔ)通常表示抽象的或泛指的動(dòng)作 , 一般不與特定的動(dòng)作執(zhí)行者聯(lián)系在一起;不定式作主語(yǔ)通常表示具體的動(dòng)作或行為 ,往往與特定的動(dòng)作執(zhí)行者聯(lián)系在一起 , 如: It’s no use crying over spilt milk. (抽象 ) He realized that to go on like this was no use. (具體 ) 在實(shí)際運(yùn)用中 , 一般可以互換 , 差異不大 。 但在下列幾種情況中不能互換: a. 當(dāng)表語(yǔ)是動(dòng)名詞時(shí) , 主語(yǔ)也要用動(dòng)名詞;當(dāng)表語(yǔ)是不定式時(shí) ,主語(yǔ)也要用不定式 , 如: Seeing is believing. To see is to believe. b. 動(dòng)名詞和不定式作主語(yǔ) , 一般都可以使用形式主語(yǔ) it, 而將動(dòng)名詞或不定式放在句尾 。 he won’t be at home. It’s a waste of time arguing about it. It’s no good waiting here. Let’s walk home. 而在 It’s important … / It’s necessary … / It’s advisable … / It’s essential … / It’s fitting … 這類句型中 , 只能用不定式 , 如: It’s important to learn foreign languages. It’s quite necessary to read it many times. 2. 動(dòng)名詞 ( 短語(yǔ) ) 作表語(yǔ) , 如: Their job is building houses. His job is raising pigs.