SN4 ""

No	Pattern	Freq
1	have [adv] been [noun]	611
2	have [adv] been [noun]	518
3	have always been [noun]	120
4	have always been [noun]	120
5	have [not/n't] been [noun]	93
6	have not been [noun]	93
7	have also been [noun]	93
8	have also been [noun]	93
9	have not been [noun]	61
10	have [pron] been [noun]	45
11	have never been [noun]	44
12	have never been [noun]	44
13	have once been [noun]	40
14	have once been [noun]	40
15	have n't been [noun]	32
16	have long been [noun]	31
17	have long been [noun]	31
18	have [pers pn] been [noun]	26
19	have all been [noun]	24
20	have already been [noun]	24
21	have all been [noun]	24
22	have already been [noun]	24
23	have previously been [noun]	21
24	have previously been [noun]	21
25	have [ex0] been [noun]	15
26	have there been [noun]	15
27	have there been [noun]	15
28	have it been [noun]	12
29	have only been [noun]	12
30	have it been [noun]	12