I thought of calling him on it, but to what end?

"Is that what made you think of calling my wife?"

He had been thinking of calling Martin in any case.

He thought briefly of calling in but decided against it.

At midnight they were thinking of calling it a night.

Did he think of calling for a field goal there?

I've been thinking of calling her mother for a while now.

"And don't even think of calling a teacher here by their first name."

But don't think of calling him there for free court advice.

In fact, I was thinking of calling you later this evening.