He will come here if he isn't busy tomorrow. 这里为什么不用 if he won't be busy tomorrow?求解释

问题描述:

He will come here if he isn't busy tomorrow. 这里为什么不用 if he won't be busy tomorrow?求解释

后面是虚拟语气,所以不用wont呵呵,我是coldinkaren希望可以帮到你,有不懂的还可以问我^^