SN4 ""

No	Pattern	Freq
1	has been [vb pp] [det]	219
2	had been [vb pp] [det]	167
3	have been [vb pp] that	152
4	have been [vb pp] this	137
5	have been [vb pp] [det]	131
6	have been given [det]	81
7	have been [vb pp] several	71
8	have been [vb pp] some	66
9	have been [vb pp] many	59
10	have been [vb pp] [det]	52
11	have been [vb pp] all	46
12	have been told [det]	38
13	's been [vb pp] [det]	25
14	've been [vb pp] [det]	25
15	to have been [vb pp] [det]	24
16	have been [vb pp] more	20
17	have been [vb pp] such	20
18	have been [vb pp] any	19
19	have been made [det]	19
20	have been done [det]	17
21	have been [vb pp] each	16
22	'd been [vb pp] [det]	14
23	have been sent [det]	11
24	have been [vb pp] another	11
25	have been [vb pp] much	11
26	have been suggested [det]	11
27	have been taken [det]	10
28	having been [vb pp] [det]	10
29	have been offered [det]	10
30	have been spared [det]	9