SN4 ""

No	Pattern	Freq
1	[verb] [adv] to have [been] [art]	14
2	[vb -s] [adv] to have [been] [art]	12
3	seems [adv] to have [been] [art]	6
4	seem [adv] to have [been] [art]	6
5	[adv] [verb] to have [been] [art]	49
6	[adv] [vb pp] to have [been] [art]	29
7	[adv] [adj] to have [been] [art]	17
8	[adv] [adj] to have [been] [art]	16
9	[adv] likely to have [been] [art]	11
10	[adv] likely to have [been] [art]	11
11	[adv] [vb -s] to have [been] [art]	11
12	[adv] seem to have [been] [art]	9
13	[adv] seems to have [been] [art]	7
14	[adv] say to have [been] [art]	6
15	[adv] appear to have [been] [art]	6
16	[adv] thought to have [been] [art]	5
17	[adv] think to have [been] [art]	5
18	[adv] said to have [been] [art]	5
19	[adv] to have [been] [prep] [art]	5
20	[adv] to have [been] [prep] [art]	5
21	[adv] to have [been] [art] [noun]	17
22	[adv] to have [been] [art] [noun sg]	15
23	[adv] to have [been] [art] [adj]	5