<正> 当不定式,-ing 分词或 that-从句充当主语时,往往使用 it 作先行主语,真实主语置于句尾。其转换公式如下:主语(不定式,-ing 分词、that-从句+谓语 be+形容词或名词→It+谓语 be+形容词或名词+真实主语(不定式、-ing 分词、that-从句)。如:1)To be with you is nice.→It is tnce to be with you.2)Eating too much is no good.→It is no good eating too much.3)That you should like him is interesting.→It is interesting that youshould like him.
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