hola, me pueden ayudar con estos ejercicios?

Change these sentences to the passive voice.
We cut the grass once a week.
We will cut the grass tomorrow.
We cut the grass yesterday.
I have put the food on the table.
She wrote it many years ago.
The cat ate the food quickly.
They have removed the tree from the road.
I´ll clean the floor tomorrow.
I read that magazine every month.​