SN4 ""

No	Pattern	Freq
1	[verb] to have been [verb] [prep] the	342
2	[vb pp] to have been [verb] [prep] the	151
3	[vb -s] to have been [verb] [prep] the	86
4	seem to have been [verb] [prep] the	86
5	appear to have been [verb] [prep] the	64
6	[vb past] to have been [verb] [prep] the	51
7	seems to have been [verb] [prep] the	50
8	[adj] to have been [verb] [prep] the	46
9	say to have been [verb] [prep] the	40
10	[adj] to have been [verb] [prep] the	38
11	[vb base] to have been [verb] [prep] the	38
12	appears to have been [verb] [prep] the	32
13	[noun] to have been [verb] [prep] the	29
14	said to have been [verb] [prep] the	29
15	believe to have been [verb] [prep] the	22
16	seem to have been [verb] [prep] the	21
17	think to have been [verb] [prep] the	21
18	thought to have been [verb] [prep] the	21
19	[adv] to have been [verb] [prep] the	20
20	report to have been [verb] [prep] the	19
21	reported to have been [verb] [prep] the	18
22	[vb infin] to have been [verb] [prep] the	16
23	likely to have been [verb] [prep] the	16
24	know to have been [verb] [prep] the	16
25	known to have been [verb] [prep] the	16
26	likely to have been [verb] [prep] the	16
27	appear to have been [verb] [prep] the	15
28	[noun sg] to have been [verb] [prep] the	15
29	believed to have been [verb] [prep] the	15
30	[was/were] to have been [verb] [prep] the	13