FUTURE SIMPLE • For predictions ( usually with hope, think, believe, expect, imagine, I’m sure, I’m afraid, probably, perhaps) I believe he’ll have to cancel his trip He’ll probably be late • For promises I promise I won’t forget you • For on-the-spot decisions I’m so tired, I’ll take a break • For threats If you don’t study hard, you will fail your exam • For hopes, fears, offers, promises, warnings, predictions, requests, comments, etc. especially with : expect, hope, believe I’m afraid she will be busy tomorrow • For things we are not yet sure about or we haven't decided to do yet Maybe I’ll go to the cinema later. (Shall woth I and WE is typically used in interrogative form when makinf suggestions, offers and asking for advice)
FUTURE CONTINUOUS • For actions which will be in progress at a started future time This time next week I’ll be sunbathing in Barbados • For actions which will definitely happen in the future as a result of routine of arrangement She will be driving to Milan tonight • When we ask politely about someone’s plans for the near future Will you be watching the show tonight?
BE GOING TO • To talk about future plans and intentions She’s going to go shopping tomorrow (she’s planning to…) BUT We use will fot on-the-spot decisions I’m thirsty. I think I’ll have a glass of water • To make predictions based on what we see or know There are black clouds in the sky. It looks like it is going to rain. BUT We use will to make predictions based on what we think of imagine I think she’ll become a great writer. • To talk about things we are sure about or we have already decided to do in the near future They are going to build a bridge here ( It has been decided)