A Future actions Study the difference between will and (be) going to: Sarah is talking to Helen: SARAH: Let's have a party HELEN: That's a great idea. We'll invite lots of people. will ('ll): We use will to announce a new decision. The party is a new idea. Later that day, Helen meets Dan: HELEN: Sarah and I have decided to have a party. We're going to invite lots of people. (be) going to: We use..