1.   He himself had stopped doing academic work years beforehand.

2.   If at any time any exercise causes severe discomfort, pain or extreme breathlessness, stop doing it and see your doctor.

3.   In return for their addresses he would allow me to stop doing press-ups in the mud.

4.   Local police were powerless to stop them doing it again.

5.   Otherwise, the companies that develop software for its systems could stop doing so.

6.   Perhaps that is a lesson that, at my age, I should stop doing such silly things.

7.   The Treasury were very, very skilled chaps in more or less stopping you doing anything.

8.   There is nothing to stop you doing most of your business with your main clearing bank if the rates are competitive.

9.   Innocent III spent some months outside Rome, but this did not stop him doing justice.