Present Simple And Present Continuous For The Future
Grammar: Present Simple and Present Continuous for the future
Present Simple: scheduled events, programmed arrangement or routine, fixed, unchangeable events, timetables in the future.
We use the present simple:
☆ in time clauses with conjunctions such as after, as soon as, before, by the time, when, while, until.
☆ in conditional clauses with if, in case, provided, and unless:
iT when we talk about possible future events with suppose , supposing, and what if at the beginning of a sentence.