SN4 ""

No	Pattern	Freq
1	[subord] it is [vb pp] that	496
2	if it is [verb] that	164
3	when it is [verb] that	65
4	where it is [verb] that	51
5	although it is [verb] that	42
6	[subord] it is accepted that	37
7	[subord] it is accept that	37
8	[subord] it is known that	36
9	[subord] it is know that	36
10	[subord] it is assumed that	35
11	[subord] it is assume that	35
12	because it is [verb] that	30
13	once it is [verb] that	29
14	[subord] it is felt that	28
15	[subord] it is feel that	28
16	as it is [verb] that	27
17	[subord] it is think that	22
18	[subord] it is thought that	22
19	[subord] it is said that	19
20	[subord] it is consider that	19
21	[subord] it is recognise that	19
22	[subord] it is considered that	19
23	[subord] it is say that	19
24	[subord] it is recognised that	18
25	since it is [verb] that	18
26	while it is [verb] that	16
27	[subord] it is believe that	14
28	[subord] it is remembered that	14
29	[subord] it is remember that	14
30	[subord] it is believed that	13