SN4 ""

No	Pattern	Freq
1	[noun pl] have [adv] been [adj]	448
2	[noun pl] have [adv] been [adj]	346
3	[noun pl] have [adv] been [adj]	326
4	[noun pl] have [not/n't] been [adj]	159
5	[noun pl] have not been [adj]	159
6	[noun pl] have not been [adj]	140
7	[noun pl] had [adv] been [adj]	111
8	[noun pl] have always been [adj]	88
9	[noun pl] have always been [adj]	88
10	[noun pl] has [adv] been [adj]	68
11	[noun pl] have [adv] been able	62
12	[noun pl] have [adv] been able	62
13	[noun pl] have never been [adj]	50
14	[noun pl] have never been [adj]	50
15	[noun pl] have also been [adj]	36
16	[noun pl] have also been [adj]	36
17	[noun pl] have [adv] been [adj -er]	31
18	[noun pl] have long been [adj]	25
19	[noun pl] have long been [adj]	25
20	[noun pl] have n't been [adj]	19
21	[noun pl] have often been [adj]	17
22	[noun pl] have often been [adj]	17
23	[noun pl] have [adv] been easy	16
24	[noun pl] have [adv] been easy	15
25	[noun pl] have [adv] been [det]	14
26	[noun pl] have [adv] been involved	12
27	[noun pl] have [adv] been involved	12
28	[noun pl] have generally been [adj]	11
29	[noun pl] have [adv] been good	11
30	[noun pl] have generally been [adj]	11