A mermaid taught her how to swim.
A mermaid was her swimming teacher.
She taught a mermaid how to swim.
A mermaid has taught swimming to her.
She was taught to swim by a mermaid.
[no subject] sent the letter yesterday.
The letter has been sent yesterday.
The letter sends itself yesterday.
Yesterday was the letter sent.
The letter was sent yesterday.
John broke the window.
The window was brokered by John
The broken window is by John.
The window John broke by.
The window was broken by John.
[no subject] stole my bag at the train station.
My bag was stolen at the train station.
I stole my bag at the train station.
At the train station was stolen my bag.
My bag stole the train station.
A famous artist painted my portrait.
My portrait was painted by a famous artist.
My portrait paints by a famous artist
My portrait is painting by a famous artist.
My portrait has been painted by a famous artist.
A giant fish ate a man who swam in that lake.
A man swimming in that lake was ate by a giant fish.
That giant lake fish man had eaten him.
A man who swam in that lake was eaten by a giant fish.
Who swam in that lake was a man who ate a giant fish.
My aunt directed this movie.
This movie directed my aunt.
This has been a directed movie by my aunt.
This movie was directed by my aunt.
My aunt's movie was directed this way.
The king of France once wore this hat.
This hat was once worn by the king of France.
This hat was worn out by the king of France.
This hat worn by the king of France had once been.
Once the king of France wore this hat.
A snake swallowed the elephant.
The elephant has swallowed a snake.
The snake has swallowed an elephant.
By a snake was the elephant swallowed.
The elephant was swallowed by a snake.
When I was young, my grandfather gave me this book.
My grandfather was given this book when I was young.
When I was young, I was gave this book by my grandfather.
When I had been young, my grandfather gave this book to me.
When I was young, I was given this book by my grandfather.