Li Lie, with his friends, are playing football over there. 改错

问题描述:

Li Lie, with his friends, are playing football over there. 改错
Li Lie, with his friends, are playing football over there.
There are thirty minutes in half a hour.
Why foes he often late for school.

are改为is with his friends属于状语,不能看作主语.因此本句主语为Li Lei,故用is.