SN4 ""

No	Pattern	Freq
1	[noun] [conj] it is [adv] that	12
2	[noun sg] [conj] it is [adv] that	6
3	[verb] [conj] it is [adv] that	6
4	[noun pl] [conj] it is [adv] that	6
5	[adv] [conj] it is [adv] that	5
6	[conj] it is [adv] [adv] that	32
7	[conj] it is [adv] [adv] that	22
8	[conj] it is only [adv] that	17
9	[conj] it is only [adv] that	17
10	[conj] it is [verb] [adv] that	12
11	[conj] it is [vb pp] [adv] that	12
12	[conj] it is [adj] [adv] that	10
13	[conj] it is [adj] [adv] that	10
14	[conj] it is [not/n't] [adv] that	10
15	[conj] it is not [adv] that	10
16	[conj] it is not [adv] that	9
17	[conj] it is [adv] [adj] that	603
18	[conj] it is [adv] [adj] that	600
19	[conj] it is [adv] [verb] that	213
20	[conj] it is [adv] [vb pp] that	203
21	[conj] it is [adv] clear that	73
22	[conj] it is [adv] clear that	73
23	[conj] it is [adv] surprising that	72
24	[conj] it is [adv] surprising that	72
25	[conj] it is [adv] true that	65
26	[conj] it is [adv] true that	65
27	[conj] it is [adv] likely that	58
28	[conj] it is [adv] likely that	58
29	[conj] it is [adv] possible that	46
30	[conj] it is [adv] possible that	46