- SHALL: We use SHALL for the future, but ONLY in the first person (I-WE). We can use Shall in offers and suggestions.
We shall visit you on Monday.
- WILL: We use WILL to say what we know or think about the future or we can use WILL to explain an instant decision.
You are very tired, We'll prepare your room.
SUJETO + SHALL /WILL + VERB (INFINITVE WITHOUT TO) + COMPLEMENTS
They will ring at five o'clock
I shall drink a glass of water.
SUJETO + SHALL /WILL + NOT + VERB (INFINITVE WITHOUT TO) + COMPLEMENTS
They will not ring at five o'clock
I shall not drink a glass of water.
SHALL /WILL + SUJETO + VERB (INFINITVE WITHOUT TO) + COMPLEMENTS?
Will they ring at five o'clock?
Shall you drink a glass of water?
2.- BE GOING TO: We use "be going to" to talk about something we have decided to do or to make a prediction we are sure is going to happen:
SUBJECT + BE GOING TO + VERB (INFINITIVE) + COMPLEMENTS
Peter is going to pass his exams.
SUBJECT + BE NOT GOING TO + VERB (INFINITIVE) + COMPLEMENTS
Peter is not going to pass his exams.
BE + SUBJECT + GOING TO + VERB (INFINITIVE) + COMPLEMENTS?
Is Peter going to pass his exams?
IF YOU WANT TO PRACTISE CLICK HERE:
http://englishforeveryone.org/PDFs/Future%20Tense%20-%20Will%20and%20Going%20to.pdf
http://englishforeveryone.org/PDFs/Future%20Tense%20-%20Simple%20Future%20Tense.pdf