. . He started to run.(He代的是fox)

. . He started to run.(He代的是fox)
“My dear fox, why are you going?Don't you like the dog?Why,aren't all animals friendnow?”said the cock.
这里的why are you going?能改成一般现在时吗?为什么?
二楼，你好！这里就是表“正在进行”，原因有二：
1。He started to run.
上面他已经开始跑了，所以，这里不可能表“将来”
2。如果是现在进行表“将来”的话，一般现在也可以表”将来“。