SN4 ""

No	Pattern	Freq
1	[noun] who had been [verb] [adv]	85
2	[noun sg] who had been [verb] [adv]	40
3	[noun pl] who had been [verb] [adv]	35
4	[adj] who had been [verb] [adv]	10
5	man who had been [verb] [adv]	10
6	man who had been [verb] [adv]	9
7	[noun prp] who had been [verb] [adv]	8
8	[det] who had been [verb] [adv]	7
9	those who had been [verb] [adv]	6
10	those who had been [verb] [adv]	6
11	[pron] who had been [verb] [adv]	5
12	who had [adv] been [verb] [adv]	27
13	who had [adv] been [verb] [adv]	18
14	who had [not/n't] been [verb] [adv]	9
15	who had not been [verb] [adv]	9
16	who had not been [verb] [adv]	9
17	who had been [verb] [verb] [adv]	10
18	who had been [vb pp] [verb] [adv]	9
19	who had been [verb] [adv] [adv]	12
20	who had been [verb] [prep] [adv]	11
21	who had been [verb] [prep] [adv]	11
22	who had been [verb] [verb] [adv]	10
23	who had been [verb] [adv] [adv]	9
24	who had been [verb] [noun] [adv]	8
25	who had been [verb] [to-vb] [adv]	7
26	who had been [verb] for [adv]	7
27	who had been [verb] for [adv]	7
28	who had been [verb] [conj] [adv]	6
29	who had been [verb] [noun sg] [adv]	6
30	who had been [verb] [adv] [prep]	118