Modals
Five years ago, I (can't / couldn't) play the piano.
Five years ago, I couldn't (could not) play the piano.
They built this bridge in 1602.
This bridge was built in 1602.
He ate six shrimp.
the house / build
The house was built.
A cake is made (by me).
Present simple
I am feeling tired. I think I (would / will) go to sleep now.
I am feeling tired. I think I will go to sleep now.
Ernest Hemingway wrote this book.
This book was written by Ernest Hemingway.
The entire house was painted by Tom.
Tom painted the entire house.
the cat / feed
The cat was fed.
A cake was made (by me).
Past simple
The volleyball team (can / could) go to the Olympics this year if they are lucky.
The volleyball team could go to the Olympics this year if they are lucky.
Scientists have developed a new vaccine.
A new vaccine has been developed by scientists.
The novel was read by Mom in one day.
Mom read the novel in one day.
the book / read / not
The book was not read.
A cake has been made (by me).
Present perfect
(Will / Would) you like steak or chicken?
Would you like steak or chicken?
They will teach French at the new academy.
French will be taught at the new academy.
The entire stretch of highway was paved by the crew.
The crew paved the entire stretch of highway.
he / the letter/ send / not
The letter was not sent by him.
A cake had been made (by me).
Past perfect
He will be having lessons for another two hours. We (must / mustn't / needn't) visit him now.
He will be having lessons for another two hours. We mustn't (must not) visit him now.
Picasso painted some of the most valuable paintings ever.
Some of the most valuable paintings ever were painted by Picasso.
The staff are required by the company to watch a safety video every year.
The company requires staff to watch a safety video every year.
the children / pick up / not
The children were not picked up.
A cake will have been made (by me).
Future perfect