He took a step into the room and began to shake his head from side to side.

After a moment, he shook his head twice from side to side.

The second officer shook his head from side to side.

He only shook his head slowly from side to side.

She continued to shake her head from side to side.

He looked down and shook his head from side to side.

He looked at her, shook his head slowly from side to side.

The dark woman shook her head from side to side.

The little man shook his head from side to side.

I started to shake my head side to side: no.