SN4 ""

No	Pattern	Freq
1	[noun] who had been [verb]	813
2	[noun] who had been [vb pp]	623
3	[noun sg] who had been [verb]	350
4	[noun pl] who had been [verb]	331
5	[noun] who had been [v-ing]	189
6	[noun prp] who had been [verb]	88
7	man who had been [verb]	60
8	[n mass] who had been [verb]	44
9	people who had been [verb]	43
10	man who had been [verb]	43
11	people who had been [verb]	43
12	woman who had been [verb]	33
13	girl who had been [verb]	21
14	woman who had been [verb]	21
15	patient who had been [verb]	21
16	child who had been [verb]	19
17	[noun] who had been appoint	18
18	[noun] who had been give	18
19	[noun] who had been appointed	18
20	[noun] who had been given	17
21	girl who had been [verb]	17
22	patients who had been [verb]	17
23	men who had been [verb]	17
24	children who had been [verb]	16
25	[noun] who had been take	15
26	officer who had been [verb]	13
27	[noun] who had been killed	13
28	[noun] who had been kill	13
29	[noun] who had been taken	12
30	women who had been [verb]	12