SN4 ""

No	Pattern	Freq
1	have been [vb pp] [prep] [noun sg]	1338
2	have been [vb pp] by [noun]	765
3	have been [vb pp] [prep] [noun pl]	765
4	have been [vb pp] [prep] [noun prp]	733
5	have been [vb pp] in [noun]	646
6	have been [vb pp] for [noun]	237
7	have been [vb pp] to [noun]	237
8	have been [vb pp] with [noun]	204
9	have been [vb pp] on [noun]	142
10	have been [vb pp] from [noun]	135
11	have been made [prep] [noun]	119
12	have been [vb pp] at [noun]	114
13	have been [vb pp] into [noun]	107
14	have been [vb pp] as [noun]	94
15	have been found [prep] [noun]	76
16	have been [vb pp] [prep] [n mass]	71
17	have been used [prep] [noun]	69
18	have been described [prep] [noun]	53
19	have been put [prep] [noun]	48
20	have been reported [prep] [noun]	45
21	have been taken [prep] [noun]	44
22	have been [vb pp] of [noun]	40
23	have been developed [prep] [noun]	39
24	have been [vb pp] [prep] britain	34
25	have been [vb pp] [prep] britain	34
26	have been [vb pp] [prep] police	33
27	have been [vb pp] [prep] police	33
28	have been [vb pp] [prep] detail	27
29	have been recorded [prep] [noun]	27
30	have been [vb pp] [prep] detail	27