11.   That frustration is already beginning to show.

12.   The game appeared to be slipping away from the Knicks, and the frustration began to show.

13.   The Devils frustration began to bubble and boil midway through the second period when their power play had four unsuccessful shots on goal with Mark Messier in the box.

14.   The G-men sifted through the dreck, but frustration began to sink in.

15.   The frustration began last fall when Angel went home from practice one day feeling pain and weakness in his right elbow.

16.   The Rangers might not be concerned after only eight games, but frustrations began to mount after a second consecutive lopsided defeat.

17.   Then frustration began to show.

18.   And her frustration was beginning to show.

19.   The frustration is beginning to show.

20.   The frustration began to build after the turn.