Future actions Study the difference between will and going to will : SUE : Let's have a party. HELEN : That's a great idea. We'll invite lots of people. We use will when we decide to do something at the time of speaking. The speaker has not decided before. The party is a new idea. going to : HELEN : Sue and I have decided to have a party. We're going to invite lots of people. We use (be) going t..