SN4 ""

No	Pattern	Freq
31	have originally been	150
32	have certainly been	150
33	have both been	146
34	have indeed been	132
35	having [adv] been	128
36	have generally been	123
37	have still been	109
38	have clearly been	106
39	have apparently been	103
40	have therefore been	103
41	have really been	100
42	have frequently been	99
43	have usually been	97
44	have subsequently been	95
45	have largely been	92
46	have hardly been	89
47	have simply been	81
48	have finally been	75
49	have earlier been	69
50	have rarely been	68
51	have reportedly been	66
52	have then been	61
53	have thus been	54
54	have either been	53
55	have perhaps been	49
56	have again been	48
57	have formerly been	45
58	have merely been	42
59	have undoubtedly been	37
60	have there been	36