SN4 ""

No	Pattern	Freq
1	[vb pp] to have been [verb] [prep]	530
2	[vb pp] to have been [vb pp] [prep]	515
3	[vb pp] to have been [verb] by	174
4	[vb pp] to have been [verb] by	174
5	[vb pp] to have been [verb] in	106
6	[vb pp] to have been [verb] in	106
7	said to have been [verb] [prep]	97
8	reported to have been [verb] [prep]	89
9	thought to have been [verb] [prep]	86
10	believed to have been [verb] [prep]	58
11	known to have been [verb] [prep]	45
12	[vb pp] to have been [verb] on	42
13	[vb pp] to have been [verb] on	42
14	[vb pp] to have been [verb] to	41
15	[vb pp] to have been [verb] to	41
16	[vb pp] to have been killed [prep]	27
17	[vb pp] to have been kill [prep]	27
18	[vb pp] to have been make [prep]	27
19	[vb pp] to have been made [prep]	27
20	[vb pp] to have been [verb] for	26
21	[vb pp] to have been [verb] for	26
22	alleged to have been [verb] [prep]	25
23	[vb pp] to have been [verb] with	24
24	[vb pp] to have been [verb] from	24
25	[vb pp] to have been [verb] with	24
26	[vb pp] to have been [verb] from	24
27	deemed to have been [verb] [prep]	20
28	[vb pp] to have been use [prep]	17
29	[vb pp] to have been [verb] at	17
30	[vb pp] to have been [verb] at	17