我会等你回来。

I will waiting for you.

这样行吗？

I will be waiting for you.

如果是“我会等你回来做某事呢？”

I will wait you to do something.

什么呀

是I will wait for you to do sth

wait for=await

但是await后面不可以跟to do

谢谢你的更正。