It's very important that we teach the children about road safety. 把交通安全常识教给孩子们是非常重要的。
it作为形式主语的其他句型: ①It+be+adj. +(for sb.) to do sth.
=To do sth. is+adj.
常用于此句型中作表语的形容词有:difficult, hard, easy, common, possible, necessary, important等。
It is not difficult to work out the problem.
=To work out the problem is not difficult.
要解决这个问题并不太难。 ② It+be+adj. +of+sb. +to do sth. = Sb. +be+adj. +to do sth.
常用于此句型中的形容词有good, kind, nice, wise, clever, silly, stupid, foolish, wrong, impolite等描述人物的形容词。
It's very kind of you to lend me your pen.
=You are very kind to lend me your pen.
你借给我钢笔真是太好了。 ③ It+be+名词词组+to do sth.
=To do sth. is+名词词组
常用于此句型的名词词组有:a pity, a pleasure, good advice, the custom, good/bad manners等。
Before entering a house in some Asian countries, it is good manners to take off your shoes.
=Before entering a house in some Asian countries, to take off your shoes is good manners.
在某些亚洲国家, 进屋子之前脱下鞋子是礼貌的。
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