He lost his grip on the ladder and almost tumbled backward into the dark.

With such force that they tumbled backward onto the grass together.

One man tumbled backward when a camera slammed the side of his head.

No one got drunk and tumbled backward into other patrons.

The two of them went down, tumbling backward into the ditch.

Then the rock gave, and I tumbled backward into the bottom of a tunnel.

With a scream the boy tumbled backward into the river.

He tumbled backward, and she on top of him.

He saw the first of his attack force struck down, tumbling backward, shot in the chest.

The weapon's weight in his hands forced him to tumble backward to the ground.