1) spent
2) is your brother doing
3) won't have written
4) washes
5) Will you go
6) rang, was still learning
7) don't help, won't have done
8) went, had done
9) won't go, 'll be watching
10) had already left
11) won't grow
12) Have you ever been
13) did you buy
14) doesn't rain, won't stay
15) comes, will still be doing
16) are playing
17) hasn't read
18) Will you have written, comes
19) Does Lena usually do..., No, she doesn't
20) were you doing