1.   A Deckhand on the ferry from Brooklyn whistled the tune, and the words floated up from nowhere.

2.   He even began to whistle a tune under his breath.

3.   He whistled a tune as he strolled down the corridor.

4.   I listened hard and there was only the sound of the pool man whistling a tune to himself.

5.   In fact, Henry can whistle one tune which makes them all want to follow him.

6.   Thought I was going to die, and then twenty-four hours later I was whistling show tunes.

7.   He whistled the tune and tapped out the rhythm.

8.   As he washed he whistled a tune.

9.   He whistled a tune to the window, but who should be waiting there?

10.   He whistles a tune to the window, and who shall be waiting there?