We do not use will to say what somebody has already arranged or decided to do in the future. Ann is working next week. (not 'Ann will work') But often, when we talk about the future, we are not taking about what somebody has decided to do. Jill has been away a long time. When she returns, she'll find a lot of changes. That plate is very hot. If you touch it, you'll burn yourself. We often use wi..