But it was too late to change the past; she could only determine the future.

He had run through the arguments all too often to change his mind, or the past.

These stories may use time travel to change the past.

Maybe we could change the past and make a better world.

What happens if you try to change the past is at the top of the list.

"So even if we sent someone back, and they changed the past."

As I said before, it is very difficult to change the past.

However, with the best will in the world, we cannot change the past.

United can only beat what's in front of them and can't change the past.

There was nothing he could do to change the past.