S V O S = Subject, V = Verb, O = Object
He / wrote / a book.
S / V / O
Here 'He' is subject and 'wrote' is Verb and 'a book' is Object.

The former / killed / the snake.
S / V / O
Here 'The former' is subject and 'killed' is Verb and 'the snake' is Object.

I / bought / a new bike.
S / V / O
Here 'I' is subject and 'bought' is Verb and'a new bike' is Object.

Example:

I went to cinema.
We ate bread.
They played Tennis.
She cooked Veg-Briyani.
He walked on the stage.
I saw new movie.
We finished our project.
They completed home-work.
She cleaned the room.
He drove a car.