SN4 ""

No	Pattern	Freq
1	[noun] which had be [prep]	58
2	[noun sg] which had be [prep]	39
3	[noun pl] which had be [prep]	14
4	[prep] which had be [prep]	6
5	of which had be [prep]	6
6	[prep] which had be [prep]	6
7	of which had be [prep]	6
8	which [noun] had be [prep]	6
9	which had [adv] be [prep]	16
10	which had [adv] be [prep]	13
11	which had be [verb] [prep]	1315
12	which had be [vb pp] [prep]	1251
13	which had be [adj] [prep]	105
14	which had be [adj] [prep]	95
15	which had be [v-ing] [prep]	64
16	which had be made [prep]	26
17	which had be make [prep]	26
18	which had be build [prep]	23
19	which had be established [prep]	23
20	which had be built [prep]	23
21	which had be used [prep]	23
22	which had be use [prep]	23
23	which had be establish [prep]	23
24	which had be suspend [prep]	18
25	which had be suspended [prep]	18
26	which had be formed [prep]	16
27	which had be form [prep]	16
28	which had be close [prep]	15
29	which had be closed [prep]	15
30	which had be hold [prep]	14