SN4 ""

No	Pattern	Freq
1	[noun] who had been [prep]	163
2	[noun sg] who had been [prep]	71
3	[noun pl] who had been [prep]	57
4	[adj] who had been [prep]	30
5	[det] who had been [prep]	24
6	[n mass] who had been [prep]	23
7	those who had been [prep]	23
8	those who had been [prep]	23
9	man who had been [prep]	21
10	people who had been [prep]	21
11	people who had been [prep]	21
12	[pron] who had been [prep]	14
13	[indef pn] who had been [prep]	13
14	man who had been [prep]	13
15	[noun prp] who had been [prep]	12
16	men who had been [prep]	8
17	girl who had been [prep]	7
18	woman who had been [prep]	5
19	[num] who had been [prep]	5
20	lady who had been [prep]	5
21	officer who had been [prep]	5
22	woman who had been [prep]	5
23	who had [adv] been [prep]	52
24	who had [adv] been [prep]	41
25	who had not been [prep]	11
26	who had [not/n't] been [prep]	11
27	who had never been [prep]	10
28	who had never been [prep]	10
29	who had not been [prep]	9
30	who had only been [prep]	6