SN4 ""

No	Pattern	Freq
1	[adj] it is that a	9
2	[adj] it is that a	9
3	[adv] it is that a	8
4	[Wh adv] it is that a	7
5	likely it is that a	5
6	likely it is that a	5
7	it is [adj] that a	360
8	it is [adj] that a	359
9	it is [verb] that a	246
10	it is [vb pp] that a	242
11	it is clear that a	56
12	it is clear that a	56
13	it is possible that a	43
14	it is possible that a	43
15	it is likely that a	33
16	it is likely that a	33
17	it is unlikely that a	26
18	it is unlikely that a	26
19	it is true that a	20
20	it is true that a	20
21	it is suggest that a	18
22	it is recommended that a	18
23	it is recommend that a	18
24	it is [adv] that a	18
25	it is hope that a	18
26	it is hoped that a	18
27	it is [adv] that a	17
28	it is obvious that a	17
29	it is essential that a	17
30	it is essential that a	17