For offers, when the speaker is included too) (question)
timetables
after expressions time expressions like when, until, before, afer, as soon as
To express that we will be in the middle of doing something in a specified time in the future.
For suggestions, when the speaker is included. (question)
For Intentions in the long term
For promisses.
To express that an arrangement is going to take place throught a space of time.
For predictions based on what is happening right now.
For decidions made at the moment of speaking
(Predictions when you are unsure about the result).
Offers (always with statements)