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1 The old building of the railways station will be demolished next month.
2 My dog has been stolen but today she was found.
3 The fish was caught by the pelican
4 New laws will be discussed tomorow.
5 The package wasn't dispatched yesterday but it will be dispatched tomorrow.
6 I will have a cup of coffee while my car is being cleaned.
7 When I came, the letters were being written.
8 The robbers have been arrested by the police and they already are making statements. 

9 When I arrived at the office the letter had been sent.

10 This letter will have been sent by 5 oclock.