SN4 ""

No	Pattern	Freq
1	[noun] who have [been] [prep]	70
2	[noun pl] who have [been] [prep]	37
3	people who have [been] [prep]	22
4	[n mass] 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	woman who have [been] [prep]	6
12	women who have [been] [prep]	6
13	[pers pn] who have [been] [prep]	5
14	[pron] who have [been] [prep]	5
15	who have [adv] [been] [prep]	30
16	who have [adv] [been] [prep]	21
17	who have not [been] [prep]	9
18	who have never [been] [prep]	9
19	who have [not/n't] [been] [prep]	9
20	who have never [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