SN4 ""

No	Pattern	Freq
1	[conj] [adv] it is that	5
2	[adv] [adj] it is that	47
3	[adv] [adj] it is that	47
4	[adv] likely it is that	45
5	[adv] likely it is that	45
6	[adv] [Wh det] it is that	22
7	[adv] [pron] it is that	22
8	[adv] what it is that	21
9	[adv] what it is that	21
10	[adv] [adv] it is that	9
11	[adv] [Wh adv] it is that	8
12	[adv] it is [adj] that	320
13	[adv] it is [adj] that	317
14	[adv] it is [verb] that	115
15	[adv] it is [vb pp] that	113
16	[adv] it is clear that	70
17	[adv] it is clear that	70
18	[adv] it is likely that	38
19	[adv] it is likely that	38
20	[adv] it is possible that	35
21	[adv] it is possible that	35
22	[adv] it is important that	22
23	[adv] it is important that	22
24	[adv] it is true that	22
25	[adv] it is true that	22
26	[adv] it is essential that	15
27	[adv] it is essential that	15
28	[adv] it is unlikely that	13
29	[adv] it is unlikely that	13
30	[adv] it is argue that	12