SN4 ""

No	Pattern	Freq
1	[verb] to have been [prep] [noun]	53
2	[vb pp] to have been [prep] [noun]	30
3	seem to have been [prep] [noun]	11
4	[vb -s] to have been [prep] [noun]	8
5	appear to have been [prep] [noun]	8
6	[vb infin] to have been [prep] [noun]	8
7	[adj] to have been [prep] [noun]	7
8	[adj] to have been [prep] [noun]	7
9	[adv] to have been [prep] [noun]	7
10	say to have been [prep] [noun]	6
11	know to have been [prep] [noun]	6
12	known to have been [prep] [noun]	6
13	seems to have been [prep] [noun]	6
14	[adv] to have been [prep] [noun]	5
15	said to have been [prep] [noun]	5
16	to have been [verb] [prep] [noun]	461
17	to have been [vb pp] [prep] [noun]	446
18	to have been [adj] [prep] [noun]	45
19	to have been [adj] [prep] [noun]	42
20	to have been made [prep] [noun]	23
21	to have been make [prep] [noun]	23
22	to have been [v-ing] [prep] [noun]	14
23	to have been take [prep] [noun]	11
24	to have been [noun] [prep] [noun]	11
25	to have been taken [prep] [noun]	11
26	to have been [adv] [prep] [noun]	11
27	to have been write [prep] [noun]	10
28	to have been killed [prep] [noun]	10
29	to have been kill [prep] [noun]	10
30	to have been bear [prep] [noun]	10