Future tenses: Be going to and will
He is going to study to be a lawyer.
It's cold. I will turn on the heating.
Look out! You're going to slip on the ice.
I'm afraid Kelly will lose her job.
We are going to employ seven new members of staff this year.
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.