He would enjoy this if he were present为神马是were而不是was?

问题描述:

He would enjoy this if he were present为神马是were而不是was?

这是虚拟语气当中的一个固定用法
就如:“如果我是男孩.”会翻译成“If I were a boy."
有一首歌就叫“If I were a boy"