Объяснение:
1 discovered
2 was discovered
3 am , will go
4 would be free
5 was walking , blew
6 cut,was making
7 is making
8 makes
9 stood , дальше не видно глагол((
10 is Jonathan doing, is studing
11 has been studing
12 has already studied
13 Whed did you hear...
14 has heard
15 had lost
16 belong
17 had been
