We have different ways of talking about the future. We often use going to (+ infinitive), the present continuous (to be + -ing) or will (+ infinitive). The structure we use depends on the function of what we want to say, whether we are talking about arrangements, plans, predictions, etc..
[youtube]https://www.youtube.com/watch?v=lGcXggbeLH8[/youtube]
[youtube]https://www.youtube.com/watch?v=HTiT63K0KMo[/youtube]
[youtube]https://www.youtube.com/watch?v=SnIP_vqzU5o[/youtube]
Click on the link , read and practise: https://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/future-forms
Click on the links to practise: https://www.test-english.com/grammar-points/b1/future-forms/