He would not speak to her on their way home.

You could not speak your mind on radio and television.

But I want to speak to you on another subject.

She is to be speak on women and health care.

They speak on the phone two or three times a day.

We did not speak at all on our way back to his house.

And almost no one will speak about him on the record.

You have the floor to speak on a point of order.

He in turn has asked to speak on a personal matter and so I give him the floor.

He said she was not available to speak on her case.