At last he began to tap on the steel floor.

Two men could not begin to tap the knowledge held there.

Supermarkets are beginning to tap into the local foods market as well.

Then, in time to the moving muscles, she began to tap the drum.

He also begins to tap his hand and foot to the beat of the song.

He stepped out into the room, began to tap the walls.

He took a deep breath and began to tap lightly on the pot.

She began to tap the brush against her palm again.

She began to tap a finger slowly on her chin.

Austin sighed and began to tap away at his computer.