Future Simple and Be Going to for Future Actions

A worksheet to make clear the difference between Future Simple and be going to for future actions.
There are several exercises in which students look at the pictures and make predictions about what is going to happen, match the pictures with their meanings and write sentences, decide which sentence is a promise, an offer or a future prediction, choose the correct answer, complete the sentences with will or going to, and write as many sentences as they can about their plans for the weekend.