Future forms - check/recap
Present continuous - future arrangements; often with time, date, or place --> I am getting married on the 4th of May.
Present simple - schedules
--> The bus leaves at 10 am.
Be going to + infinitive - future intentions, plans = already decided to do smth & you tell people about it (think - NY's resolutions)
--> I am going to work out 3 days/week.
WILL - spontaneous decisions & predictions
--> I think I'll have a coffee. It will snow tomorrow.