SN4 ""

No	Pattern	Freq
1	[noun] have [adv] been a	400
2	[noun] has [adv] been a	268
3	[noun sg] have [adv] been a	268
4	[noun] have always been a	180
5	[noun] have always been a	180
6	[noun] had [adv] been a	165
7	[noun prp] have [adv] been a	126
8	[noun pl] have [adv] been a	76
9	[noun] have [not/n't] been a	74
10	[noun] have not been a	74
11	[noun] have not been a	65
12	[noun] have long been a	59
13	[noun] have long been a	59
14	[noun] have [adv] been a	37
15	[noun] have never been a	34
16	[noun] have never been a	34
17	[noun] have also been a	28
18	[noun] have also been a	28
19	[noun] have once been a	13
20	[noun] have once been a	13
21	[noun] have n't been a	9
22	[noun] have traditionally been a	7
23	[noun] have traditionally been a	7
24	[noun] have obviously been a	5
25	[noun] have probably been a	5
26	man have [adv] been a	5
27	[noun] have probably been a	5
28	man have [adv] been a	5
29	[noun] have obviously been a	5