SN4 ""

No	Pattern	Freq
1	have [adv] [adv] been	930
2	has [adv] [adv] been	411
3	had [adv] [adv] been	345
4	have [adv] [adv] been	227
5	have so [adv] been	217
6	have [adv] far been	191
7	have [adv] far been	191
8	have never [adv] been	160
9	have [adv] not been	153
10	have [adv] [not/n't] been	153
11	have [adv] not been	153
12	have only [adv] been	141
13	have [adv] recently been	82
14	have [adv] recently been	82
15	have [adv] just been	65
16	have [adv] just been	65
17	have long [adv] been	65
18	have [adv] since been	60
19	have [adv] since been	60
20	have still [adv] been	59
21	have [adv] ever been	51
22	have [adv] ever been	51
23	have [adv] often been	46
24	have [adv] often been	46
25	have [adv] really been	46
26	have [adv] really been	46
27	've [adv] [adv] been	43
28	have [adv] before been	43
29	have [adv] before been	43
30	have probably [adv] been	33