We use the future with will to talk about forecasts and instant decisions.
A = Subj. + will + verb + compl.
E.g.: I will see you tomorrow.
N = Subj. + will not/won’t + verb + compl.
E.g.: I won’t see you tomorrow.
I = Will + subj. + verb + compl.?
E.g.: Will I see you tomorrow?
Other future tenses
Going to: Things you intend to do but are not sure. Predictions. E.g.: I’m going to buy a new coat.
Present continuous: sure plans such as appointments of travels. E.g.: Tomorrow I’m going to the dentist afternoon.
Present simple: timetables. E.g.: The trains leaves tomorrow at 10 a.m.
Future Perfect
Will + present perfect: Actions that will have happened in a certain future.
E.g.: By the time / By 2050 you arrive tomorrow, I will have finished my duties.
Future Continuous
Will + be + verb-ing: Future actions in a continuous tense to explain an action will be taking place in a concrete moment.
E.g.: Don’t call me tomorrow at 5 p.m. because I will be flying to NY.
