Future tenses
Subject + Verb to be (am, is, are) + going to + infinitive
I am going to visit my parents next weekend.
Subject + Will / Won't + Infinitive
It's muy birthday next week. I'll be seventeen.
Future meanings:
Reception opens at 8:00 am.
I am going to an interview tomorrow. They just phoned me.
The train leaves at 10.
They are having a party at the weekend.
Call me as soon as you arrive.
We are getting married next week.
Subject + will/won't + be + verb -ING
Subject + Will + Have + Past Participle
She will have finished her interview by 3 o'clock.
She will have learned to drive by next month.
He will have completed the project before the deadline.
I will be working on my project tomorrow afternoon.
She won't be working on Tuesday.