I decided not to ask him what he knew about that.

He decided just to ask them if they would come.

He decided not to ask any further questions about what she had been doing.

He looked at me long and hard, decided to ask no questions.

That was why I decided to ask your father here.

As we were driving back into town, I decided to ask him.

I decided to ask her why, and went to the kitchen.

I said yes and then decided to ask him, "Are you happy with your job?"

He decided to ask the question that was on his mind.

She decided not to ask him how he had found her there.