2 will be picking
3 will have finished
4 will have saved
5 will have been
6 will be waiting
7 will be sitting
8 will be wearing
9 will have finished
10 will have built
1 will be working
2 will have finished
3 will be tired /will have been tired
4 will have written
5 will be working
6 will send
7 will have been working
8 will be reading
9 will have learnt (=/learned)
10 will have been working
IV 1 easier 2 the most useful 3 the most difficult 4 stronger
5 the cleverest