SN4 ""

No	Pattern	Freq
1	they have been [verb] [prep]	483
2	they have been [vb pp] [prep]	463
3	they have been [verb] by	122
4	they have been [verb] in	95
5	they have been [v-ing] [prep]	54
6	they have been [verb] to	53
7	they have been [verb] for	45
8	they have been [verb] with	38
9	they have been [verb] into	35
10	them have been [verb] [prep]	35
11	they have been [verb] from	28
12	they have been [verb] on	27
13	they have been [verb] as	15
14	they have been [verb] at	14
15	they have been use [prep]	11
16	they have been replaced [prep]	11
17	they have been replace [prep]	11
18	they have been used [prep]	11
19	they have been put [prep]	8
20	they have been put [prep]	8
21	they have been waiting [prep]	6
22	they have been wait [prep]	6
23	they have been do [prep]	6
24	they have been treat [prep]	6
25	they have been treated [prep]	6
26	they have been [verb] over	5
27	they have been placed [prep]	5
28	they have been selected [prep]	5
29	they have been work [prep]	5
30	they have been remove [prep]	5