1. Will + ww --> Voorspelling, feit, spontane actie.
Everything will be okay.
2. to be + going to + ww --> intentie.
They are going to buy tickets for Lowlands.
3. Present continuous --> voor dingen die al gepland zijn.
I am having dinner with him tomorrow.
4. Present simple --> voor dingen die volgens schema gebeuren.
The shop opens at 8 a.m.