SN4 ""

No	Pattern	Freq
1	[conj] it is [verb] that the	261
2	[subord] it is [verb] that the	162
3	[coord] it is [verb] that the	91
4	and it is [verb] that the	62
5	and it is [verb] that the	62
6	[noun] it is [verb] that the	57
7	if it is [verb] that the	55
8	if it is [verb] that the	55
9	[adv] it is [verb] that the	42
10	[noun sg] it is [verb] that the	39
11	[adv] it is [verb] that the	33
12	but it is [verb] that the	29
13	but it is [verb] that the	29
14	where it is [verb] that the	21
15	where it is [verb] that the	21
16	when it is [verb] that the	17
17	when it is [verb] that the	17
18	[adj] it is [verb] that the	15
19	although it is [verb] that the	13
20	although it is [verb] that the	13
21	[noun pl] it is [verb] that the	12
22	once it is [verb] that the	12
23	once it is [verb] that the	12
24	[num] it is [verb] that the	10
25	[pron] it is [verb] that the	10
26	[Wh det] it is [verb] that the	10
27	which it is [verb] that the	10
28	which it is [verb] that the	10
29	as it is [verb] that the	8
30	that it is [verb] that the	8