"I'm going to stop in occasionally to make sure everyone is working hard."
The boys stopped once or twice to make sure they were right.
I stopped at each corner to make sure no cars were coming.
He stopped at each tower to make his own assessment.
Many would stop to make routine telephone calls to home or office.
He stopped at the door long enough to make sure no one was following him, then tossed the ice.
On the way to her car, she stopped to make a point.
He did not stop to make sure she was sleeping.
Some officer stops by two hours later to make sure everything's all right.
But she stopped at the bar to make sure before making her way between the tables to where I was sitting.