Помогииииииииитеее срочно 10 предложений на тему Passive Voice даю 25 балов

Nick was being helped by me.
The book was written by O.Wilde. 
The house was built by my grandfather.
The finger was cut with a knife.
The floor will be mopped by me.
These books are used for work.
The office is cleaned every day
The book will be read tomorrow.
The letter has already been written.
My home work has already been done.