I paced back and forth in my room, trying to think of a better story.

Several minutes passed during which he paced back and forth.

She paced back and forth in front of the fire.

This time he didn't sit by the bed, but paced back and forth.

I paced back and forth in front of them, trying to figure out what to do.

Then he paces back and forth for a while too.

He paced back and forth again, just for a few steps.

He paced back and forth across the kitchen once, then sat again.

He didn't sit, but paced back and forth for a while.

He paced back and forth a bit, looking at me.