1 - is always cleaned
2 - was polluted
3 - aren't watered
4 - will be eaten
5 - have been eaten
6 - hasn't been changed
7 - weren't cut down
8 - isn't made
9 - has already been served
10 - is spoken
11 - was built
12 - weren't bought
13 - has already been connected
14 - is seen
15 - hasn't been recycled
16 - are produced
17 - won't be send
