请问老师,it is+adj+that 从句,任何形容词都可以吗?都是构成主语从句吗?
解答:以上形容词必须是描述“that从句”内容的“特点/特征的性质形容词”,不是所有形容词都可以。另外it可以替代that从句,还可以替代不定式to do和动名词doing
It is essential that he (should) attend the meeting.他必须参加会议。
It is imperative that we (should) act now.我们必须立即行动。
It is surprising that she passed the exam.她通过考试令人惊讶。
It is obvious that the plan failed.计划失败很明显。
It is dangerous to swim in an unfamiliar river.在不熟悉的河流里游泳是很危险的。
It is amazing that he solved the problem so quickly.他这么快解决问题真令人惊叹。
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