SN4 ""

No	Pattern	Freq
1	[noun] who have been [verb] [adv]	45
2	[noun pl] who have been [verb] [adv]	30
3	people who have been [verb] [adv]	11
4	people who have been [verb] [adv]	11
5	[n mass] who have been [verb] [adv]	11
6	[adj] who have been [verb] [adv]	9
7	[det] who have been [verb] [adv]	8
8	those who have been [verb] [adv]	8
9	those who have been [verb] [adv]	8
10	who have [adv] been [verb] [adv]	7
11	who have [not/n't] been [verb] [adv]	6
12	who have not been [verb] [adv]	6
13	who have not been [verb] [adv]	6
14	who have been [adj] [verb] [adv]	8
15	who have been [adj] [verb] [adv]	8
16	who have been [verb] [verb] [adv]	6
17	who have been [vb pp] [verb] [adv]	5
18	who have been [verb] [adv] [adv]	7
19	who have been [verb] [verb] [adv]	6
20	who have been [verb] [adv] [adv]	6
21	who have been [verb] [prep] [adv]	5
22	who have been [verb] [prep] [adv]	5
23	who have been [verb] [to-vb] [adv]	5
24	who have been [verb] [adv] [prep]	32
25	who have been [verb] [adv] [prep]	32
26	who have been [verb] [adv] in	10
27	who have been [verb] [adv] in	10
28	who have been [verb] [adv] [adj]	8
29	who have been [verb] [adv] for	7
30	who have been [verb] [adv] [adv]	7