1.   Government is still free-and required-to move Decisively to end discrimination when it happens, case by case, he said.

2.   Here it probably happened by sailing into the steep wave resulting in a sudden loss of speed.

3.   It does not happen by accident.

4.   Such communities do not happen by accident.

5.   Fortunately a policeman on patrol happened by.

6.   Rather than checking every aircraft, many inspectors simply examine whatever plane they happen by while on duty.

7.   Do you really believe that the first contact after weeks of silence just happened by sheer coincidence to fall on the same day as your arrival here?

8.   This did not mean she was prepared to throw herself headlong into a relationship with the first half-decent male who happened by.

9.   If nothing happens by such and such a time, then we shall have to do something else.

10.   An older man among the onlookers who just happened by was trying to explain the event to a young woman.