№1
1) are going to;
2) won't he;
3) Who's going to lead;
4) I'll just;
5) Are you going;
6) Shall I give;
7) I'll be;
8) are we going to do.
№2
shall you let
will begin
will be
won't last
will take
won't be
won't happen.
№3
1) b;
2) f;
3) d;
4) a;
5) c;
6) e.
№4
Tomorrow at 3p.m. I'll probably be doing my homework.
On Friday lunchtime Susan won't be here - she'll be at school.
Next summer Nick will definitely spend with his family - they'll go to USA together.
In five years time I'll be studying for a degree in some kind of technology university.