SN4 ""

No	Pattern	Freq
1	[verb] to have [be] [adv]	527
2	seem to have [be] [adv]	238
3	[vb -s] to have [be] [adv]	209
4	[vb pp] to have [be] [adv]	139
5	seems to have [be] [adv]	139
6	appear to have [be] [adv]	120
7	[vb base] to have [be] [adv]	101
8	appears to have [be] [adv]	68
9	seem to have [be] [adv]	64
10	[noun] to have [be] [adv]	54
11	[vb past] to have [be] [adv]	37
12	[vb infin] to have [be] [adv]	37
13	[noun sg] to have [be] [adv]	33
14	say to have [be] [adv]	31
15	appear to have [be] [adv]	30
16	[adv] to have [be] [adv]	28
17	said to have [be] [adv]	27
18	[adj] to have [be] [adv]	24
19	seem to have [be] [adv]	23
20	[adj] to have [be] [adv]	23
21	believe to have [be] [adv]	18
22	believed to have [be] [adv]	16
23	[modal v] to have [be] [adv]	14
24	ought to have [be] [adv]	14
25	[pron] to have [be] [adv]	14
26	reported to have [be] [adv]	14
27	report to have [be] [adv]	14
28	ought to have [be] [adv]	14
29	[vb mod] to have [be] [adv]	14
30	[adv] to have [be] [adv]	14