SN4 ""

No	Pattern	Freq
1	[conj] it is [verb] that it	42
2	[coord] it is [verb] that it	21
3	[subord] it is [verb] that it	19
4	and it is [verb] that it	14
5	and it is [verb] that it	14
6	[noun sg] it is [verb] that it	7
7	but it is [verb] that it	7
8	[noun] it is [verb] that it	7
9	but it is [verb] that it	7
10	if it is [verb] that it	5
11	if it is [verb] that it	5
12	[adv] it is [verb] that it	5
13	it is [adj] [verb] that it	69
14	it is [adj] [verb] that it	68
15	it is [adv] [verb] that it	45
16	it is [adv] [verb] that it	43
17	it is important [verb] that it	20
18	it is important [verb] that it	20
19	it is hard [verb] that it	8
20	it is hard [verb] that it	8
21	it is now [verb] that it	7
22	it is easy [verb] that it	7
23	it is easy [verb] that it	7
24	it is reasonable [verb] that it	7
25	it is reasonable [verb] that it	7
26	it is now [verb] that it	7
27	it is worth [verb] that it	6
28	it is generally [verb] that it	6
29	it is [prep] [verb] that it	6
30	it is [prep] [verb] that it	6