Life will be very different in a hundred years' time. ~ Yes, it will, but I won't be here. I'll be dead.
[2 I think England will win on Saturday. ~ No, they won't. They won't beat Italy.
[3 I think I'll read a book this evening. Or perhaps I'll watch television.
will not Short answers
Yes, I/you/he/we/they will.
No, I/you/he/we/they won't
[We use will to talk about something in the future (often a long way in the future). It does not mean that somebody has decided on an action.
[ 2 We use will to talk about things which the speaker cannot control. (We use it to make predictions.
[ 3 If we are talking about things that we have not yet decided to do until the moment of speaking, we can use will.
[ sub clauses of future time [