раскрыть скобки в правильном падеже ...очень надо

1. If the weather hadnt improved last weekend, we wouldnt have had a picnic.
2. If you dont want to go out, I will cook dinner at home.
3. The cat has already eaten up the fish.
4. If you had gotten back late yesterday, I would have been angry.
5. If we had waited here, we would have been late.
6. He has already been reading the book for three hours already.
7. Have you been to New York before.
8. How long are you looking for a new job
9. She had taken taxi, if it would have rained.
10. Nickolas pointed to the cello lying on the carpet and said "I have been playing all day"
11. If you go out tonight, I will go to the cinema.
12. Ann hasnt chosen the desert yet.