Change the sentences from the active to the passive. She milks her cow twice a day.
We elect a new class monitor evety year.
Leonardo da Vinci painted the Mona Lisa.
She cleaned the windows last weekend.
The old man feed his farm animals every day.
I found my slippers under the sofa.
We water the plants every other day.
They built this building a few years ago.
The cow is milked by her twice a day.
A new class monitor is elected by us every year.
The Mona Lisa was painted by Leonardo da Vinci.
The windows were cleaned by her last weekend.
The farm animals are fed by the old man every day.
My slippers were found by me under the sofa.
The plants are watered by us every other day.
The building was built by they a few years ago.