Whistled

The policeman whistled the car to stop.

The policeman whistled for the car to stop.

He whistled for his dog.

He blushed when the girls whistled at him in the street.

He whistled as he went along.

He whistled as he walked.

The crowd whistled and applauded at President Obama's speech.

Tom whistled a tune as he walked along the river.

This is the first time I've ever whistled in the classroom.

Have you ever whistled?