内容正文:
it的主要用法
1. it用作形式主语
· It is +adj./n. +that ……
该句型中it 是形式主语,真正的主语是that 引导的主语从句。
1 That he's round and tall like a tree is very clear.
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2 我们把英语学好很重要。
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3 你没有看过这本书真遗憾。
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· It is adj. ( of sb. )to do sth.
主句中的形容词必须是表示逻辑主语特征的形容词。常见的有:bad , brave , careless, clever , cruel , foolish , good (好心的), honest , kind , lazy , polite, rude , silly , stupid , wise , wrong(错误的)等。 这个句型可以改写为:sb. is kind to do sth.
1 It is kind ______ you to say so. = You are kind to say so.
2 It is important _________ her to come to the party.
3 在公共场合吐痰不礼貌。
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· It is no good (use ) doing sth.
该句型中的真正主语是动名词短语,主句中的表语可以是no good , ( not any good ) , no use , ( not any use )。
1 It is no good learning English without speaking English.
2 和他争论是没有用的。
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2. it作形式宾语
· think/ believe/make/find/consider/feel …+it +adj./n. to do sth.
· think/ believe/make/find/consider/feel …+it +adj./n. that从句.
1 我们认为每天打扫教室是我们的职责。
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2 他们发现在两天之内完成他们的工作很困难。
They ________________ that they ________________________ in two days.
3 他清楚地表明了他对这门课不感兴趣。
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· 某些动词不能直接跟宾语从句,而应跟It,在接宾语从句,尤其是表示好恶的单词。如:enjoy, like, like, dislike, appreciate, hate, feel like 等。
1 I hate it when people smoke in the public.
2 I’d appreciate it if you would open the window for me. It’s stuffy here.
3. it用于强调句型
· It is + 被强调部分 + that …
结构:It is / was + 被强调部分 + that / who...”
强调句式可以强调除 外的其他任何成分,例 、 、 。
• 翻译:昨天我在校门口遇到了Carol。
强调主语