He's arriving in London this evening.
Arrangement, 100% plan
He's going to arrive next month, but he hasn't booked tickets yet.
Intention, 80% plan
We're going to go sightseeing when we arrive, but we haven't booked the tour yet.
Intention, 80% plan
We're sightseeing tomorrow.
Arrangement, 100% plan
We're going to an exhibition.
Arranegement, 100% plan
We're going to go to an exhibition, but we haven't decided on the time yet.
Intention, 80% plan
My friend Charlie is having a party tomorrow evening.
Arrangement, 100% plan
My friend Charlie is going to have a party next week, but he hasn't invited anyone yet..
Intention, 80% plan
