SN4 ""

No	Pattern	Freq
1	[noun pl] that had been [verb]	300
2	[noun pl] that had be [verb]	300
3	[noun pl] that had be [vb pp]	275
4	[noun pl] that had be [v-ing]	25
5	[noun pl] that had be make	24
6	[noun pl] that had be made	24
7	[noun pl] that had be use	9
8	[noun pl] that had be used	9
9	things that had be [verb]	8
10	[noun pl] that had be take	7
11	[noun pl] that had be taken	7
12	ideas that had be [verb]	6
13	[noun pl] that had be set	6
14	[noun pl] that had be develop	6
15	[noun pl] that had be left	6
16	[noun pl] that had be leave	6
17	[noun pl] that had be set	6
18	[noun pl] that had be developed	6
19	words that had be [verb]	5
20	[noun pl] that had be lay	5
21	[noun pl] that had be done	5
22	[noun pl] that had be laid	5
23	changes that had be [verb]	5
24	[noun pl] that had be do	5