不好意思啊,回复晚了点
to have done 这里的to 一般都是和前面的词连用的,这也就是 不定式+完成时态 的结构
举几个例子吧:
It is thought to have happened .
It is believed to have been the largest.
还有was/ were to have done,表示 “本打算”、“本计划”或“本应当” 做的事而没有做成或没有发生.所以是情况而定哦.
不好意思啊,回复晚了点
to have done 这里的to 一般都是和前面的词连用的,这也就是 不定式+完成时态 的结构
举几个例子吧:
It is thought to have happened .
It is believed to have been the largest.
还有was/ were to have done,表示 “本打算”、“本计划”或“本应当” 做的事而没有做成或没有发生.所以是情况而定哦.