SN4 ""

No	Pattern	Freq
1	[conj] it is [verb] that [det]	119
2	[conj] it is [vb pp] that [det]	113
3	[coord] it is [verb] that [det]	66
4	[subord] it is [verb] that [det]	53
5	and it is [verb] that [det]	46
6	and it is [verb] that [det]	46
7	[conj] it is [verb] that this	31
8	but it is [verb] that [det]	20
9	but it is [verb] that [det]	20
10	if it is [verb] that [det]	18
11	if it is [verb] that [det]	18
12	[conj] it is [verb] that some	16
13	[conj] it is [verb] that these	15
14	[conj] it is [verb] that such	14
15	[conj] it is hope that [det]	13
16	[conj] it is hoped that [det]	13
17	[conj] it is think that [det]	11
18	[conj] it is thought that [det]	11
19	[conj] it is [verb] that most	8
20	[conj] it is felt that [det]	6
21	[conj] it is believe that [det]	6
22	[conj] it is assumed that [det]	6
23	[conj] it is [verb] that more	6
24	[conj] it is believed that [det]	6
25	although it is [verb] that [det]	6
26	[conj] it is know that [det]	6
27	[conj] it is feel that [det]	6
28	[conj] it is known that [det]	6
29	[conj] it is understood that [det]	6
30	[conj] it is assume that [det]	6