“如果你能一直在我身边就好了!”用英语怎么说啊?

题目

“如果你能一直在我身边就好了!”用英语怎么说啊?
除了“You can always beside me”

答案

If you could stay with me forever it would be better.
虚拟语气,与现在事实相反,从句用一般过去时,主句用情态动词加动词原形