SN4 ""

No	Pattern	Freq
1	[adv] it is [adv] [adj] that	96
2	[adv] it is [adv] [adj] that	95
3	[adv] it is [adv] [adj] that	76
4	[Wh adv] it is [adv] [adj] that	20
5	[adv] it is [adv] important that	18
6	[adv] it is [adv] important that	18
7	then it is [adv] [adj] that	17
8	then it is [adv] [adj] that	17
9	[adv] it is so [adj] that	16
10	why it is [adv] [adj] that	13
11	[adv] it is [adv] likely that	13
12	so it is [adv] [adj] that	13
13	[adv] it is [adv] likely that	13
14	why it is [adv] [adj] that	13
15	[adv] it is quite [adj] that	13
16	so it is [adv] [adj] that	13
17	[adv] it is hardly [adj] that	11
18	[adv] it is [adv] surprising that	11
19	[adv] it is [adv] surprising that	11
20	[adv] it is [adv] clear that	9
21	[adv] it is [adv] clear that	8
22	[adv] it is very [adj] that	7
23	[adv] it is more [adj] that	7
24	now it is [adv] [adj] that	6
25	indeed it is [adv] [adj] that	6
26	however it is [adv] [adj] that	6
27	indeed it is [adv] [adj] that	6
28	however it is [adv] [adj] that	6
29	now it is [adv] [adj] that	6
30	[adv] it is [adv] certain that	5