The woman's eyes moved back and forth between the three of them, but she said nothing.
She was moving back and forth in front of the window, now.
They spent the next several years moving back and forth between the 1.
Her cold eyes moved back and forth across the three of them.
It moved back and forth to call attention to itself.
His brown eyes kept moving back and forth from one group of soldiers to another.
Finally his head began to move slowly back and forth.
They moved back and forth in a test pattern, then were still.
Often they move back and forth across the border, looking for the best treatment.
I spend the afternoon moving back and forth from the window to the television.