51.   This state of affairs is expected to prevail for at least the first halfyear.

52.   Unfortunately, this condition will prevail for at least two years, even in the best of circumstances.

53.   He said a deterioration of the refugee situation could upset the status quo that has prevailed for several months.

54.   In addition, European consumption remains low because of the mild weather that has prevailed for some time over much of Europea.

55.   Scattered rain is predicted Saturday with gusty winds prevailing for the next two days.

56.   The latest attacks smashed a relative calm that had prevailed for several hours.