41.   But seven miles away, five months earlier, it had happened before.

42.   But scientists say it has happened before and could happen again.

43.   But that has happened before and done little to slow the success.

44.   But spectacular reversals three months before polling day have happened before in France.

45.   But they do not know whether that will happen before spring training ends.

46.   But whatever happened before, I remember leaning on his strength, and sharing it with him.

47.   China is full of things that have never happened before.

48.   Did something happen before it?

49.   Did it happen before birth?

50.   Eick said an acquisition will not happen before September.