I began to speculate about his secret life of chance encounters.

"People are beginning to speculate on property in the centre," he said.

Subsequently, the media began to speculate on the matter as well.

Monty, I can't even begin to speculate what's going on here.

When the doors were shut we began to speculate on our numbers.

Settling back in his seat, he began to speculate on the future.

He did not begin to speculate on what it might be.

He did well and began to speculate, initially in land.

When the door of the next room had closed, Vincent began to speculate.

I began to speculate about the strength of his intentions.