SN4 ""

No	Pattern	Freq
1	it [be] [adv] [adj] that it	133
2	it be [adv] [adj] that it	133
3	it [be] [adv] [adj] that it	132
4	it [is] [adv] [adj] that it	101
5	it is [adv] [adj] that it	68
6	it [be] so [adj] that it	36
7	it 's [adv] [adj] that it	33
8	it [was/were] [adv] [adj] that it	30
9	it was [adv] [adj] that it	30
10	it [be] quite [adj] that it	14
11	it [be] very [adj] that it	13
12	it [be] [adv] likely that it	10
13	it [be] [adv] likely that it	10
14	it [be] [adv] important that it	9
15	it [be] [adv] important that it	9
16	it [be] [adv] unlikely that it	8
17	it [be] [adv] unlikely that it	8
18	it [be] [adv] true that it	7
19	it [be] [adv] true that it	7
20	it [be] also [adj] that it	7
21	it [be] [adv] possible that it	6
22	it [be] [adv] surprising that it	6
23	it [be] [adv] clear that it	6
24	it [be] [adv] clear that it	6
25	it [be] [adv] surprising that it	6
26	it [be] [adv] possible that it	6
27	it [be] more [adj] that it	5
28	it [be] hardly [adj] that it	5