SN4 ""

No	Pattern	Freq
1	have [adv] been [adj] [prep] [det]	61
2	have [adv] been [adj] [prep] [det]	56
3	has [adv] been [adj] [prep] [det]	21
4	have [adv] been [adj] in [det]	18
5	have [adv] been [adj] in [det]	18
6	have [adv] been [adj] [prep] [det]	16
7	have [adv] been [adj] [prep] this	16
8	have always been [adj] [prep] [det]	13
9	had [adv] been [adj] [prep] [det]	11
10	have [adv] been [adj] for [det]	11
11	have [adv] been [adj] for [det]	11
12	have [adv] been [adj] to [det]	10
13	have [adv] been [adj] to [det]	10
14	have [adv] been [adj] [prep] such	8
15	've [adv] been [adj] [prep] [det]	8
16	have [adv] been [adj] of [det]	8
17	have [adv] been [adj] [prep] that	8
18	have [adv] been [adj] [prep] some	8
19	have [adv] been [adj] of [det]	8
20	have never been [adj] [prep] [det]	7
21	have [adv] been involved [prep] [det]	6
22	have [adv] been involved [prep] [det]	6
23	have also been [adj] [prep] [det]	5