The teeth closed on his boots and began to crunch through them.

His teeth began to chatter and he couldn't stop them.

My teeth have begun to rot, did I tell you that?

My teeth began to hurt from pressing them together so hard.

When his teeth began to chatter, he decided it was time to move on.

Then her teeth began to part in a weak smile.

Her teeth began to chatter so hard she had to stop talking.

Kate's teeth began to grind even as she thought of it.

A couple of days later, his teeth began to hurt.

But the black king's teeth would surely begin to chatter.