A man at a front table whistled, and everyone applauded.

A man appeared at the corner of the street, turned, and whistled.

The man in the golf cap whistled at the figure.

The young man whistled, and then broke into a smile.

The man went over to a little wood, and whistled.

I saw a girl walk down the street here and some men whistled after her!

The men who found him simply whistled and he came.

Then the only calm man in the room whistled again.

The man they were looking at wasn't even whistling.

The man in the bed leaned forward to read it too, and whistled.