A sudden thought made him almost turn the car around.

He had a sudden thought and went to his desk.

Watching him move around the table, I had a sudden thought.

A sudden thought came to her- But where is my father?

Outside on the street a sudden thought came to me.

He turned to leave, and I reached after him with a sudden thought.

A sudden thought pulled his attention back to the doctor.

He turned to go, when a sudden thought came to him.

Then he looked up again, as if having a sudden thought.

She got a sudden thought that wasn't in her notes.