SN4 ""

No	Pattern	Freq
1	[adj] it is that [adj]	5
2	[adj] it is that [adj]	5
3	[adv] it is that [adj]	5
4	[prep] it is that [adj]	5
5	[prep] it is that [adj]	5
6	it is [adj] that [adj]	1555
7	it is [adj] that [adj]	1552
8	it is [verb] that [adj]	815
9	it is [vb pp] that [adj]	798
10	it is clear that [adj]	214
11	it is clear that [adj]	214
12	it is likely that [adj]	199
13	it is likely that [adj]	199
14	it is possible that [adj]	169
15	it is possible that [adj]	169
16	it is unlikely that [adj]	120
17	it is unlikely that [adj]	120
18	it is true that [adj]	119
19	it is true that [adj]	119
20	it is important that [adj]	108
21	it is important that [adj]	108
22	it is hope that [adj]	104
23	it is hoped that [adj]	104
24	it is essential that [adj]	81
25	it is essential that [adj]	81
26	it is suggest that [adj]	53
27	it is suggested that [adj]	52
28	it is estimate that [adj]	52
29	it is estimated that [adj]	52
30	it is probable that [adj]	48