SN4 ""

No	Pattern	Freq
1	have [adv] been [noun sg]	246
2	have [adv] been [noun pl]	208
3	had [adv] been [noun]	201
4	have [adv] been [noun]	153
5	have always been [noun]	120
6	has [adv] been [noun]	112
7	have also been [noun]	93
8	have [adv] been [noun prp]	59
9	have never been [noun]	44
10	have once been [noun]	40
11	have [adv] been part	39
12	have [adv] been part	39
13	have long been [noun]	31
14	have all been [noun]	24
15	have already been [noun]	24
16	have previously been [noun]	21
17	's [adv] been [noun]	18
18	've [adv] been [noun]	15
19	have only been [noun]	12
20	have certainly been [noun]	8
21	'd [adv] been [noun]	8
22	have even been [noun]	8
23	have [adv] been criticism	7
24	have just been [noun]	7
25	have traditionally been [noun]	6
26	have formerly been [noun]	6
27	have [adv] been suggestion	6
28	have [adv] been [noun]	6
29	have [adv] been talk	6
30	have [adv] been sort	6