A. Talking about the Future: 1) use the Present Simple for something scheduled or arranged. 2) use the Present Continuous is more usual for personal plans or arrangements. 3) use ‘will’ to talk about the future when we make predictions. 4) with time words (when, after, until) we often use a present tense form to talk about the future.
B. (be) going to: use (be) going to: To talk about plans and intentions, and something is likely to happen.
C. Will (1): use I’ll (= I will) when we decide to do something at the time of speaking.
C3. Will (2)
D. Shall (Future)
E. Will and (be) going to
F. Will be doing (Future Continuous)
G. Will be done (Future Perfect)
H. Future: When
I. Future: If