She looked for a long time, then shook her head.

I felt at a loss for a second, then shook my head.

He stood there, looking down at her a moment, then shook his head.

He thought on that for a long moment, then shook his head.

She thought about that for a moment, then shook her head.

Then shook his head as if he were trying to clear a vision.

She watched for a moment longer, then shook her head.

He looked a long time, then shook his head, no.

She thought for a moment, shook her head in the negative.

Shook his head, but the figure before him remained the same.