It's+adj+to do sth/for sb. to do sth /that+从句的例题

Question

如题所述

Answer 1

要搞清楚你问题中不同用法的关键是理解 exciting 和 excited 的差别。
简单地区分就是主动（-ing）和被动（-ed）：用 -ing 表达“让人兴奋”，而用 -ed 来表达（人受到某种刺激而）“兴奋”。例：
It's exciting that he has passed the exam.（让人兴奋：“他考过了”这件事让人兴奋。此句中的 -ing 实际上是形容词，而逻辑主语是 that 从句。这件事才能让人兴奋。）
He is excited that he has passed the exam.（He 兴奋了：为什么兴奋？因为He 考过了。此句中的 -ed 也是形容词，但是一个含被动意思的形容词。事情不会“激动/兴奋”，人才会。所以此句中的主语是人：He。that从句做句子表语（形容词 excited）的补足语。）

同样的道理，在有 for sb. to do sth 的句型中，只可能有 It's exciting for sb. to do sth. 而不可能有 It's excited for sb. to do sth.

Answer 2

It is important to do these things. It`s important for them to do these things. It`s ijmportant that tey do these things.

Answer 3

It's good to keep healthy. It's hard for him to do the work. It's wonderful that we won!
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