I've studied so hard for this test. I will get an A. I'm sure!
(voorspelling zonder bewijs)
Better bring an umbrella. It'll probably rain tonight.
(voorspelling zonder bewijs)
I'll help you with those boxes. (aanbod)
Sure, we will not tell him that you are a few minutes later. (instemming)
He won't give it back tomorrow! (belofte)