往楼上走、上楼梯,下楼梯、你不上去吗各用英语怎么说还要吗怎么说

往楼上走、上楼梯,下楼梯、你不上去吗各用英语怎么说
还要吗怎么说

Go up
Get down
Won't you go up

上楼:go upstairs
下楼:go downstairs
你不上去吗:Won't you go upstairs?

上楼：GOING UP
下楼：GOING DOWN