It's used to talk about something that will be in progress at or around a time in the future.

It's used to say that something will be finished by a particular time in the future.

It’s used to express our future intentions and predictions based on what we see, hear or feel.


It’s used for timetables (of public transport, cinemas, TV etc.) It’s also used in future sentences after words: when, after, before, as soon as.


It’s used for future actions which are 100% plans, arrangements.

It's used for actions completed before a point in the future with focus on the duration of the
action

It’s used for spontaneous decisions about the future, predictions, personal opinions about the future.
