SN4 ""

No	Pattern	Freq
1	it is [adv] [adj] that the	768
2	it is [adv] [adj] that the	768
3	it is [adv] [adj] that the	762
4	it is [adv] [adj] that the	629
5	it is not [adj] that the	139
6	it is [not/n't] [adj] that the	139
7	it is not [adj] that the	138
8	it is [adv] surprising that the	116
9	it is [adv] surprising that the	116
10	it is [adv] clear that the	99
11	it is [adv] clear that the	98
12	it is also [adj] that the	88
13	it is also [adj] that the	88
14	it is quite [adj] that the	74
15	it is [adv] likely that the	74
16	it is quite [adj] that the	74
17	it is [adv] likely that the	74
18	it is [adv] possible that the	71
19	it is [adv] possible that the	71
20	it is [adv] important that the	66
21	it is [adv] important that the	66
22	it is [adv] true that the	58
23	it is [adv] true that the	58
24	it is very [adj] that the	46
25	it is very [adj] that the	46
26	it is hardly [adj] that the	35
27	it is hardly [adj] that the	35
28	it is therefore [adj] that the	33
29	it is [adv] unlikely that the	33
30	it is [adv] unlikely that the	33