1.   His mouth hung open in a half smile that was supposed to convince the judge that he was a reasonable man.

2.   His tie was pulled loose and his collar hung open.

3.   The door to the boathouse where the speedboat was kept hung open, swaying drunkenly on its broken hinges.

4.   After crashing hard in practice when the throttle hung open on his Pontiac, Bobby ran just back of the leaders for most of the race.

5.   Air locks hang open.

6.   He lets his mouth hang wide open, his eyes glazing over.

7.   He, in turn, stands around with his mouth hanging open, looking slightly stunned.

8.   I mean, the book is constantly hanging open to the grope scene, right?

9.   I could see my boyfriend through the whirl of horse girls cantering around me, his mouth hanging open in shock.

10.   I would sit there and watch him with my jaw hanging open.