SN4 ""

No	Pattern	Freq
1	[noun pl] have been [verb] in	1670
2	[noun pl] have been [vb pp] in	1611
3	[noun pl] have been [verb] in	1025
4	[noun pl] had been [verb] in	498
5	[noun pl] has been [verb] in	119
6	[noun pl] have been made in	97
7	[noun pl] have been make in	97
8	[noun pl] have been found in	82
9	[noun pl] have been find in	82
10	[noun pl] have been [v-ing] in	59
11	[noun pl] have been used in	50
12	[noun pl] have been use in	50
13	[noun pl] have been kill in	37
14	[noun pl] have been killed in	37
15	[noun pl] have been describe in	28
16	[noun pl] have been described in	28
17	[noun pl] have been report in	27
18	[noun pl] have been reported in	27
19	[noun pl] have been hold in	24
20	[noun pl] having been [verb] in	24
21	[noun pl] have been held in	24
22	[noun pl] have been establish in	22
23	[noun pl] have been established in	22
24	changes have been [verb] in	20
25	[noun pl] have been identified in	19
26	[noun pl] have been identify in	19
27	[noun pl] have been recorded in	18
28	[noun pl] have been placed in	18
29	[noun pl] have been record in	18
30	[noun pl] have been place in	18