He shook his head to clear it, trying to understand what was wrong with him.

I shook my head to clear it, trying to understand.

I had to shake my head to clear the memory.

She shook her head to clear it, then sat up.

Suddenly the music didn't make as much sense and he jerked his head to clear it.

She sat up in bed, shaking her head to clear it.

He started to get up, shaking his head to clear it.

Shaking his head to clear it, he sat down again to think.

But he could allow himself only a shake of the head to clear his brain.

She almost shook her head to clear it, then looked around.