He slept very well for the first two nights.

问题描述:

He slept very well for the first two nights.
请问这里的for the first two nights可以放在句子的开头不?
在这里前一个用序数first后一个怎么用基数two,另外如果我要表达前三个晚上应该怎么用英语说呢?

可以放前面,作状语前后都行,first意思是前面的,two指两个晚上,the first three nights