SN4 ""

No	Pattern	Freq
1	[noun] who have been [prep]	70
2	[noun pl] who have been [prep]	37
3	[n mass] who have been [prep]	22
4	people who have been [prep]	22
5	people who have been [prep]	22
6	[adj] who have been [prep]	19
7	[det] who have been [prep]	18
8	those who have been [prep]	17
9	those who have been [prep]	17
10	[noun sg] who have been [prep]	9
11	women who have been [prep]	6
12	woman who have been [prep]	6
13	[pron] who have been [prep]	5
14	[pers pn] who have been [prep]	5
15	who have [adv] been [prep]	30
16	who have [adv] been [prep]	21
17	who have never been [prep]	9
18	who have never been [prep]	9
19	who have [not/n't] been [prep]	9
20	who have not been [prep]	9
21	who have not been [prep]	6
22	who have been [verb] [prep]	262
23	who have been [vb pp] [prep]	205
24	who have been [adj] [prep]	78
25	who have been [adj] [prep]	77
26	who have been [v-ing] [prep]	57
27	who have been involved [prep]	23
28	who have been involved [prep]	23
29	who have been [adv] [prep]	18
30	who have been [noun] [prep]	17