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1 be found
2 is used
3 are used
4 is worn
5 are worn
6 was spent
7 was saved
8 was discussed
9 is taken
10 be hidden
11 be added
12 are watered
13 are paid
14 were paid
15 have already been paid
16 will be paid
17 are being destroyed
18 are being cut down or being burnt 
19 will be built
20 are worn
21 was cleaned