SN4 ""

No	Pattern	Freq
1	[conj] it is [adv] that the	26
2	[coord] it is [adv] that the	18
3	and it is [adv] that the	15
4	and it is [adv] that the	15
5	[subord] it is [adv] that the	6
6	it is [adv] [adv] that the	46
7	it is [adj] [adv] that the	29
8	it is [adj] [adv] that the	28
9	it is not [adv] that the	25
10	it is [not/n't] [adv] that the	25
11	it is not [adv] that the	23
12	it is [adv] [adv] that the	21
13	it is [verb] [adv] that the	20
14	it is [vb pp] [adv] that the	19
15	it is only [adv] that the	12
16	it is only [adv] that the	12
17	it is clear [adv] that the	6
18	it is clear [adv] that the	6
19	it is [adv] [adj] that the	629
20	it is [adv] [adj] that the	623
21	it is [adv] [verb] that the	341
22	it is [adv] [vb pp] that the	331
23	it is [adv] clear that the	81
24	it is [adv] clear that the	80
25	it is [adv] possible that the	70
26	it is [adv] possible that the	70
27	it is [adv] likely that the	69
28	it is [adv] likely that the	69
29	it is [adv] important that the	66
30	it is [adv] important that the	66