1.   As his stomach began to do somersaults, Jennings shut his eyes and pictured the most thrilling lacrosse game he had seen last year.

2.   Five days after the accident her stomach began to swell and emergency surgery was performed.

3.   Then, when I am up to bat, my stomach will begin to churn.

4.   Then his stomach began doing a little dance of its own.

5.   When her stomach began making funny noises, the taping had to be canceled.