1. Will/Won't
1.1. Formal Predictions
1.1.1. By 2100 Global Warming will have serious effects!
1.2. Promises
1.2.1. We'll help you
1.2.2. I won't do it again
1.3. Instant decisions
1.3.1. I'll have an espresso coffee please
2. Shall....?
2.1. Offers
2.1.1. "Shall I open the window?
2.2. Suggestions
2.2.1. "Shall we have a coffee break?"
3. May/Might + Infinitive
3.1. Uncertain future
3.1.1. You may not find it very easily
3.1.2. I might come.
3.1.3. It might not be true.
4. To BE + Going to + Infinitive
4.1. Future intentions
4.1.1. I'm going to learn to ski this year
4.1.2. We're not going to go on holiday next year
4.1.3. Are you going to help me tomorrow?
4.2. Personal predictions
4.2.1. Look, I think it's going to rain!
4.2.2. If you're not careful you're going to fall off that chair!
5. Present Simple
5.1. Scheduled events (train/plane/exam etc)
5.1.1. The train leaves at 9.05
5.1.2. Does the flight arrive at 12.25?
5.1.3. The exam doesn't start until 10 o'clock
6. Present Continuous (To BE + ....ing)
6.1. Planned future arrangements
6.1.1. I am working tomorrow.
6.1.2. Are you coming this evening?
6.1.3. He isn't playing golf this weekend
7. Maybe.....definitely/probably
7.1. Modifiers
7.1.1. Maybe he'll come with us.
7.1.2. She'll definitely win!
7.1.3. They'll probably arrive late as usual!