He could not come 这件事情是一个遗憾.
It 是形式主语,真正的主语是that 引导的从句.
这句话就等于:That he could not come is a pity.
It is + 形容词 (for sb.) to do sth.to do sth 是真正的主语,it 只是形式主语.
你说得很对!很棒!
祝学习愉快!
He could not come 这件事情是一个遗憾.
It 是形式主语,真正的主语是that 引导的从句.
这句话就等于:That he could not come is a pity.
It is + 形容词 (for sb.) to do sth.to do sth 是真正的主语,it 只是形式主语.
你说得很对!很棒!
祝学习愉快!