SN4 ""

No	Pattern	Freq
1	[conj] it is [verb] that [adj]	187
2	[coord] it is [verb] that [adj]	95
3	[subord] it is [verb] that [adj]	90
4	and it is [verb] that [adj]	69
5	and it is [verb] that [adj]	69
6	[noun] it is [verb] that [adj]	47
7	if it is [verb] that [adj]	31
8	if it is [verb] that [adj]	31
9	[noun sg] it is [verb] that [adj]	28
10	but it is [verb] that [adj]	26
11	but it is [verb] that [adj]	26
12	[adv] it is [verb] that [adj]	21
13	[adv] it is [verb] that [adj]	15
14	[noun pl] it is [verb] that [adj]	12
15	[adj] it is [verb] that [adj]	10
16	[verb] it is [verb] that [adj]	9
17	when it is [verb] that [adj]	8
18	when it is [verb] that [adj]	8
19	[Wh det] it is [verb] that [adj]	7
20	although it is [verb] that [adj]	7
21	where it is [verb] that [adj]	7
22	although it is [verb] that [adj]	7
23	though it is [verb] that [adj]	7
24	which it is [verb] that [adj]	7
25	which it is [verb] that [adj]	7
26	where it is [verb] that [adj]	7
27	[pron] it is [verb] that [adj]	7
28	though it is [verb] that [adj]	7
29	as it is [verb] that [adj]	6
30	[num] it is [verb] that [adj]	6