Ex.10
2. can 'be' found ..
3. 'is' cleaned ..
4. 'is' sung by ..
5. will 'be' invited ..
6. hasn't (in locul lui 'haven't)
7. was (in locul lui 'were')
8. are ( in locul lui 'is')
9. will 'be' built ..
10. 'was' knitted by ..
Ex. 11
2. ... haven't been posted ..
3. ... are treated by ..
4. ... shouldn't be kept ..
5. ... will be visited ..
6. ... was baked by ..
7. ... was stolen ..
8. ... is made ..