1. Some uses of the future
Units of grammar book

2. Present tenses for the future
Present continuous is used to explain a diary future – an arrangement with a date: He’s playing tennis on Monday afternoon.
Present simple is used to talk about timetables…
My train leaves at
The film begins at 9.00

3. To be going to
To talk about a pre-meditated intention to do something in the future (sometimes present continuous can be used as well): I’m going to have an early night.
To talk about something you can see is going to happen: Look at those black clouds. It’s going to rain.

4. Uses of will
Something you decide to do at the moment of speaking: I feel a bit hungry. I think I’ll have something to eat.
When you offer to do something: That bag looks heavy. I’ll help you with it.
When you promise to do something: I won’t tell anyone your secret, I promise.
SHALL I? is used in the question form to make an offer (Shall I close the window?) or make a suggestion (Shall we go out tonight?)

5. Uses of will
Something you decide to do at the moment of speaking: I feel a bit hungry. I think I’ll have something to eat.
When you offer to do something: That bag looks heavy. I’ll help you with it.
When you promise to do something: I won’t tell anyone your secret, I promise.
SHALL I? is used in the question form to make an offer (Shall I close the window?) or make a suggestion (Shall we go out tonight?)

6. Uses of will
Making a prediction based on opinion: I think I’ll pass the exam.
I don’t think I’ll pass the exam.
Often used with these other words to express prediction and possibility:
I’ll probably fail the exam.
I expect she’ll be home late.
I’m sure you’ll pass the exam.
I wonder what will happen next.