中译英：问TOM擅长于踢足球吗？问TOM：

Are you good at playing football, Tom?
因为be good at 加动词ing形式，而be提前，则成为这个样子。

Are you good at playing football,Tom?
或者Tom,do you do well in playing football?

Is Tom good at playing football?

you'd better ask himself.

Are you good at playing football, Tom?