SN4 ""

No	Pattern	Freq
1	[conj] it is [vb pp] that	912
2	[conj] it is [vb pp] that	912
3	[subord] it is [vb pp] that	496
4	[coord] it is [vb pp] that	388
5	and it is [vb pp] that	264
6	and it is [vb pp] that	264
7	if it is [vb pp] that	164
8	if it is [vb pp] that	164
9	but it is [vb pp] that	121
10	but it is [vb pp] that	121
11	[conj] it is hoped that	75
12	when it is [vb pp] that	65
13	when it is [vb pp] that	65
14	[conj] it is known that	60
15	[conj] it is thought that	52
16	where it is [vb pp] that	51
17	[conj] it is assumed that	51
18	where it is [vb pp] that	51
19	although it is [vb pp] that	42
20	although it is [vb pp] that	42
21	[conj] it is accepted that	41
22	[conj] it is said that	38
23	[conj] it is felt that	38
24	[conj] it is suggested that	38
25	[conj] it is expected that	33
26	[conj] it is believed that	32
27	[conj] it is understood that	29
28	because it is [vb pp] that	29
29	once it is [vb pp] that	29
30	once it is [vb pp] that	29