SN4 ""

No	Pattern	Freq
31	[Wh pn] have been [prep] [det] [noun]	13
32	who have been [prep] [det] [noun]	13
33	who have been [prep] [det] [noun]	13
34	[adj] have been [prep] [det] [noun]	11
35	could have been [prep] [det] [noun]	11
36	could have been [prep] [det] [noun]	11
37	there have been [prep] [det] [noun]	11
38	would have been [prep] [det] [noun]	11
39	there have been [prep] [det] [noun]	11
40	[ex0] have been [prep] [det] [noun]	11
41	[verb] have been [prep] [det] [noun]	11
42	would have been [prep] [det] [noun]	10
43	may have been [prep] [det] [noun]	7
44	may have been [prep] [det] [noun]	7
45	never have been [prep] [det] [noun]	6
46	well have been [prep] [det] [noun]	6
47	[not/n't] have been [prep] [det] [noun]	6
48	never have been [prep] [det] [noun]	6
49	not have been [prep] [det] [noun]	6
50	well have been [prep] [det] [noun]	6
51	[vb pp] have been [prep] [det] [noun]	5
52	[det] have been [prep] [det] [noun]	5
53	[Wh det] have been [prep] [det] [noun]	5
54	[adj] have been [prep] [det] [noun]	5
55	have [adv] been [prep] [det] [noun]	79
56	have [adv] been [prep] [det] [noun]	45
57	have not been [prep] [det] [noun]	34
58	have [not/n't] been [prep] [det] [noun]	34
59	have n't been [prep] [det] [noun]	24
60	have [pron] been [prep] [det] [noun]	19