SN4 ""

No	Pattern	Freq
1	have been [vb pp] [prep] [adj]	1221
2	have been [verb] by [adj]	328
3	have been [verb] in [adj]	296
4	have been [verb] with [adj]	124
5	have been [verb] to [adj]	120
6	have been [verb] for [adj]	89
7	have been [verb] [prep] other	71
8	have been [v-ing] [prep] [adj]	69
9	have been [verb] from [adj]	66
10	have been [verb] [prep] recent	54
11	have been [verb] on [adj]	53
12	have been made [prep] [adj]	52
13	have been make [prep] [adj]	52
14	have been [verb] into [adj]	45
15	have been used [prep] [adj]	35
16	have been use [prep] [adj]	35
17	have been [verb] at [adj]	35
18	have been [verb] as [adj]	32
19	have been find [prep] [adj]	30
20	have been found [prep] [adj]	30
21	have been [verb] [prep] various	28
22	have been [verb] [prep] different	28
23	have been [verb] [prep] local	26
24	have been replaced [prep] [adj]	23
25	have been replace [prep] [adj]	23
26	have been subject [prep] [adj]	20
27	have been subjected [prep] [adj]	20
28	have been develop [prep] [adj]	19
29	have been developed [prep] [adj]	19
30	have been reported [prep] [adj]	18