天下第一代词“it”讲析课件.pptVIP

（一） 梳理It 用法 e.g. It is important to know your limitations. 知道自己的局限性是很重要的。 be+名词； e.g. It is a good idea to have a little notebook handy. 手边有个小笔记本是个好主意。 be+介词短语； e.g. It is against the law to do that. 这样做是违法的。 其他类型的谓语 e.g. It gives me great pleasure to see the movie. 观看电影让我很高兴。 也可用某些形容词作表语； e.g. Do you think it is worthwhile quarrelling with him？ 你认为和他吵值得吗？ 一些其他的谓语形式。 e.g. Does it matter wasting a little money? 稍微浪费一点钱行吗？ It happened that the harvest was bad that year. 碰巧, 那年的收成不好。 It is said that there has an earthquake in Japan. 据说日本发生了地震。 也可能是wh-词引导的 e.g. It is still a question how many people are to come. 多少个人会来, 还是个问题。 It is no business of yours where I spend my summer.　　　　　　　　　　　 我在哪儿过夏天, 这不关你的事。 It remains to be seen whether it will do us harm or good. 对我们有好处还是有害处, 还要等着瞧。 It was clear enough what he meant. 他的意思很清楚。 当复合宾语中的宾语是不定式、动名词、宾语从句时, 往往把宾语放在它的补足语后面, 而用it 作形式宾语, 放在宾语补足语之前。 I found it very interesting to study English. 我发现学英语非常有趣。 He made it clear that he was not interested in this subject. 他非常清楚地表示他对那门学科不感兴趣。 3. 用于强调结构 要强调句子的某一部分, 通常是主语、状语、宾语, 可以把it当作先行词。这种句子的结构是： “It is/was+被强调部分+that/who+句子的其他部分”。如果强调的是人,可以用who, whom代替that。 e.g. It is Prof. Lin who teaches us English. (强调主语) It is English that Prof. Lin teaches us (强调宾语) It was in Shanghai that I saw the film. (强调状语) It was in 2001 that I went to university. (强调状语) e.g. The frog is not a warm-blood animal. It’s a cold-blooded one. 3) 泛指时间 e.g. It was nearly midnight when she came back. 4) 泛指环境 e.g. It is noisy here. 5) 泛指距离 e.g. It i