SN4 ""

No	Pattern	Freq
1	who had been [verb] [prep]	935
2	who had be [vb pp] [prep]	775
3	who had be [verb] in	200
4	who had be [v-ing] [prep]	160
5	who had be [verb] to	146
6	who had be [verb] by	144
7	who had be [verb] for	85
8	who had be [verb] from	80
9	who had be [verb] on	52
10	who had be [verb] with	45
11	who had be [verb] of	31
12	who had be appointed [prep]	30
13	who had be appoint [prep]	30
14	who had be [verb] as	28
15	who had be [verb] at	28
16	who had be arrest [prep]	25
17	who had be arrested [prep]	25
18	who had be [verb] into	21
19	who had be elect [prep]	20
20	who had be elected [prep]	20
21	who had be sentence [prep]	18
22	who had be sentenced [prep]	18
23	who had be find [prep]	18
24	who had be found [prep]	18
25	who had be born [prep]	17
26	who had be bear [prep]	17
27	who had be accused [prep]	16
28	who had be accuse [prep]	16
29	who had be imprison [prep]	15
30	who had be imprisoned [prep]	15