SN4 ""

No	Pattern	Freq
1	[conj] it is [verb] that [noun]	123
2	[subord] it is [verb] that [noun]	68
3	[coord] it is [verb] that [noun]	50
4	and it is [verb] that [noun]	31
5	and it is [verb] that [noun]	31
6	[noun] it is [verb] that [noun]	27
7	[adv] it is [verb] that [noun]	24
8	if it is [verb] that [noun]	22
9	if it is [verb] that [noun]	22
10	but it is [verb] that [noun]	17
11	but it is [verb] that [noun]	17
12	[adv] it is [verb] that [noun]	16
13	[noun sg] it is [verb] that [noun]	15
14	when it is [verb] that [noun]	12
15	when it is [verb] that [noun]	12
16	[pron] it is [verb] that [noun]	9
17	[verb] it is [verb] that [noun]	9
18	which it is [verb] that [noun]	8
19	[Wh det] it is [verb] that [noun]	8
20	[Wh adv] it is [verb] that [noun]	8
21	which it is [verb] that [noun]	8
22	[adj] it is [verb] that [noun]	8
23	where it is [verb] that [noun]	7
24	although it is [verb] that [noun]	7
25	where it is [verb] that [noun]	7
26	although it is [verb] that [noun]	7
27	[noun pl] it is [verb] that [noun]	6
28	[that] it is [verb] that [noun]	5
29	that it is [verb] that [noun]	5
30	since it is [verb] that [noun]	5