The Present Simple for Future Events

We use the present continuous to talk about arrangements like this. So Finn has arranged to eat with friends. And, Catherine, what did you say about tomato soup again? I said, aisle probably have something simple like tomato soup. Yes, so Catherine used aisle. Or will, I will. But she made her decision at the time of speaking. This is one of the main differences between will and going to. Okay. Now there's another present tense we can use to talk about the future. And that's the present simple. When are your friends coming to dinner? Well, my friends are passing through London on a very tight schedule. We eat dinner at 6pm and they leave on