线话英语语法讲堂：It 的专题解析（4）

　　根据it的用法特点可演绎为20个句型 CopyRight .com

　　1. It is + 被强调部分 + that … CopyRight .com

　　该句型是强调句型。将被强调的部分放在前面，其它局部置于that之后。被强调部门可以是主语,英语书面语，宾语，表语  或状语。强调的主语假如是人，that可以由who换用。如果把这种句型结构划掉后，应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。

　　It was about 600 years ago that the first clock with a face and an hour hand was made.

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　　It was they that （who ） cleaned the classroom yesterday.

　　It was in the street that I met her father.

　　2. It is not until + 被强调部分 + that …

　　该句型也是强调句型。主要用于强凋时间状语，译成汉语“直到…才…”，可能说是 not … until … 的强调形式。

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　　It was not until she took off her dark glasses that I realized she was a famous film star.

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　　= Not until she took off her dark glasses did I realize she was a famous film star.

　　= I didn't realize she was a famous film star until she took off her dark glasses.

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　　3. It is clear （ obvious, true, possible, certain…） that …… CopyRight .com

　　该句型中it 是形式主语，真正的主语是that 勾引的主语从句，常译为“清楚（显然，真的，断定…）”　是主语从句最常见的一种结构。

　　It is very clear that he's round and tall like a tree.

　　= That he's round and tall like a tree is very clear. CopyRight .com

　　4. It is important （ necessary, right, strange, natural…） that …

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　　该句型跟上一个同属一个句型。由于主句中的形容词不同，that 后的从句中要用虚拟语气（should + 动词原形），should 可以省去。倡导记住该句型中的形容词。 内容来自

　　It is important that we （should） learn English well.

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　　It is necessary that he （should） remember these words. CopyRight .com

　　5. It is said （reported, learned…） that … CopyRight .com

　　该句型中的it 仍是情势主语，真正主语是that 引导的主语从句。该构造常译为“据说（据报道，据悉…）”。

　　It is said that he has come to Beijing.

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　　It is reported that another earth satellite has been put into orbit.

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　　6. It is suggested （ ordered … ） that … CopyRight .com

　　该句型跟上一个同属一个句型。主句中的从前分词是表现请求，提议，命令等词时，that　后的从句要用虚构语气（should + 动词本相），should 能够省。常译为“据倡议；有命令…） CopyRight .com

　　It is suggested that the meeting （ should ） be put off.

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　　It was ordered that we （ should ） arrive there in two hours.

　　7. It is a pity （ a shame … ） that … 内容来自

　　该句型中，that后的从句个别用虚拟语气（should + 动词原形），should可省去。表示出人意料，常译为”竟然“。不这种意思时，则不用虚构语气。 CopyRight .com

　　It is a pity that such a thing （ should ） happen in your class.这种事居然发生在你们班上，真是遗憾！ CopyRight .com

　　It is a pity that he is ill. 他生病了，真遗憾！ Co

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