SN4 ""

No	Pattern	Freq
1	[adv] it is that the [adj]	11
2	[Wh adv] it is that the [adj]	8
3	it is [adj] that the [adj]	468
4	it is [adj] that the [adj]	467
5	it is [verb] that the [adj]	215
6	it is [vb pp] that the [adj]	211
7	it is clear that the [adj]	77
8	it is clear that the [adj]	77
9	it is possible that the [adj]	47
10	it is possible that the [adj]	47
11	it is likely that the [adj]	47
12	it is likely that the [adj]	46
13	it is true that the [adj]	40
14	it is true that the [adj]	40
15	it is important that the [adj]	30
16	it is important that the [adj]	30
17	it is [adv] that the [adj]	27
18	it is [adv] that the [adj]	27
19	it is evident that the [adj]	22
20	it is evident that the [adj]	22
21	it is hoped that the [adj]	19
22	it is hope that the [adj]	19
23	it is unlikely that the [adj]	17
24	it is unlikely that the [adj]	17
25	it is essential that the [adj]	15
26	it is probable that the [adj]	15
27	it is essential that the [adj]	15
28	it is probable that the [adj]	15
29	it is think that the [adj]	15
30	it is thought that the [adj]	15