41.   Real estate professionals say home prices have remained stable, but patterns have changed.

42.   Rainfall patterns changed and rivers dried up.

43.   So release patterns are changing.

44.   Spending patterns have already changed drastically.

45.   Some patterns changed day to day, while others persisted for years.

46.   That was the pattern in the first three debates, and there is no reason to think that pattern will change in the next four.

47.   That pattern changed when the United States persuaded Turkey to close its air space to Iranian cargo flights to Syria.

48.   The extremely arid land is not suitable for agriculture now but could be farmed in the future, if rainfall patterns change sharply.

49.   The pattern changed.

50.   The report noted, however, that patterns can change.