The future: Will, Be Going To, Present Continuous · We use will when we decide to do something at the time of speaking: OK, I'll throw those away. · We use be going to when we already have a plan or an intention to do something: I'm going to sort out the rest of them at the weekend. · We use the Present Continuous when we have an arrangement with another person: She's picking them up tomorrow evening after work. · We use be going to for rediction that is based on present evidence ( we predict the future because of something we can see in present): It's going to break the first time he uses it! · We use will for a prediction that is not based on present evidence: But you'll never listen to them again. * When we use the Present Continuous for future arrang...