SN4 ""

No	Pattern	Freq
1	[verb] to have [been] [vb pp] for	58
2	[vb pp] to have [been] [vb pp] for	24
3	seem to have [been] [vb pp] for	17
4	appear to have [been] [vb pp] for	12
5	[vb base] to have [been] [vb pp] for	11
6	seem to have [been] [vb pp] for	10
7	[vb -s] to have [been] [vb pp] for	10
8	[vb infin] to have [been] [vb pp] for	7
9	[adv] to have [been] [vb pp] for	7
10	[adj] to have [been] [vb pp] for	7
11	say to have [been] [vb pp] for	6
12	[vb past] to have [been] [vb pp] for	6
13	[adj] to have [been] [vb pp] for	5
14	seems to have [been] [vb pp] for	5
15	[noun] to have [been] [vb pp] for	5
16	said to have [been] [vb pp] for	5
17	thought to have [been] [vb pp] for	5
18	think to have [been] [vb pp] for	5
19	appears to have [been] [vb pp] for	5
20	[noun sg] to have [been] [vb pp] for	5
21	to have [been] [vb pp] [adv] for	7
22	to have [been] [vb pp] [adv prt] for	5
23	to have [been] [vb pp] for [art]	23
24	to have [been] [vb pp] for [art]	23
25	to have [been] [vb pp] for [noun]	21
26	to have [been] [vb pp] for [adj]	18
27	to have [been] [vb pp] for the	17
28	to have [been] [vb pp] for the	17
29	to have [been] [vb pp] for [noun sg]	12
30	to have [been] [vb pp] for [adj]	9