Помогите 12 предложений на тему passive voice 4 в present simple 4 в past simple и 4 в future simple заранее огромное спасибо

Past simple: I saw how a cat was saved from a tree by a fireman. Tree in my yard was planted by my grandfather. My favourite book was written by Pushkin. Present simple: Children are very happy to meet their mother. A bone was hidden by a god. Tom's car was found by policeman. Future simple. Homework will be done by me. The new building will be built soon. The bike will be bought by my brother.

present simp- at moneday i am tired