1 Look at the examples below and complete the rules in the box by writing will, going to, the present simple or the present continuous. 1 Oh, I know! I'll buy him a book about Antarctica. 2 Don't worry. I'm sure you'll have a great time. Her train arrives at 5. 30 in the morning! 3 4 Oh no! Look! He's going to fall in the water. 5 I'm going to get up early and pack my suitcase then. 6 As soon as I arrive, I'll phone you. 7 We're meeting at 10. 00 on Saturday morning. ​.