SN4 ""

No	Pattern	Freq
1	[noun] who have been [vb pp] [adv]	145
2	[noun sg] who have been [vb pp] [adv]	65
3	[noun pl] who have been [vb pp] [adv]	53
4	[adj] who have been [vb pp] [adv]	16
5	[noun prp] who have been [vb pp] [adv]	14
6	[n mass] who have been [vb pp] [adv]	13
7	people who have been [vb pp] [adv]	13
8	people who have been [vb pp] [adv]	13
9	[det] who have been [vb pp] [adv]	11
10	those who have been [vb pp] [adv]	10
11	those who have been [vb pp] [adv]	10
12	man who have been [vb pp] [adv]	8
13	man who have been [vb pp] [adv]	7
14	woman who have been [vb pp] [adv]	7
15	[pron] who have been [vb pp] [adv]	6
16	[indef pn] who have been [vb pp] [adv]	6
17	girl who have been [vb pp] [adv]	5
18	girl who have been [vb pp] [adv]	5
19	who [vb mod] have been [vb pp] [adv]	14
20	who [modal v] have been [vb pp] [adv]	14
21	who could have been [vb pp] [adv]	5
22	who could have been [vb pp] [adv]	5
23	who have [adv] been [vb pp] [adv]	35
24	who have [adv] been [vb pp] [adv]	20
25	who have [not/n't] been [vb pp] [adv]	15
26	who have not been [vb pp] [adv]	15
27	who have not been [vb pp] [adv]	15
28	who have just been [vb pp] [adv]	6
29	who have just been [vb pp] [adv]	6
30	who have been [vb pp] [adv] [adv]	20