will-future - function
you use the will-future for:
predictions, for example about the weather.
e.g. It says in the newspaper that it will rain tomorrow.
assumptions about the future that are combined with “perhaps, maybe, probably, I hope, I think“
e.g. Poor Liz is ill. Perhaps she will be back in the office on Monday.
We hope Ben will meet some nice people on his trip in India.
spontaneous decisions.
e.g. Look, this doesn’t work. – I will help you.