21. Not infrequently , Dole stops talking to one of his staff members or advisers altogether.22. Not infrequently , words were ` misread', with disastrous consequences, of course.23. It is not infrequently mentioned by classical writers as a place in which travellers halted. 24. And, not infrequently , the systems creak and groan as they bear the strain. 25. I was not infrequently that pensive member. 26. Drunkenness is discouraged and not infrequently portrayed, and some biblical persons abstained from alcohol. 27. Not infrequently , crosses are attempted with the sailfin molly to breed a hardier fish.28. But, not infrequently , a term is used without any attempt to define it. 29. Larger and more dangerous mammalian prey is not infrequently tackled by Eurasian eagle-owl. 30. But not infrequently the bill would also include a white British female singer named Dusty Springfield.
