SN4 ""

No	Pattern	Freq
1	it [is] [adv] [adj] that [noun prp]	172
2	it [is] [adv] [adj] that [noun prp]	172
3	it is [adv] [adj] that [noun prp]	148
4	it [is] [adv] surprising that [noun prp]	25
5	it [is] [adv] surprising that [noun prp]	25
6	it 's [adv] [adj] that [noun prp]	24
7	it [is] [adv] possible that [noun prp]	21
8	it [is] [adv] possible that [noun prp]	21
9	it [is] [adv] clear that [noun prp]	20
10	it [is] [adv] clear that [noun prp]	20
11	it [is] also [adj] that [noun prp]	18
12	it [is] [adv] true that [noun prp]	18
13	it [is] [adv] true that [noun prp]	18
14	it [is] hardly [adj] that [noun prp]	17
15	it [is] quite [adj] that [noun prp]	13
16	it [is] [adv] [adj] that mr	10
17	it [is] [adv] unlikely that [noun prp]	10
18	it [is] [adv] certain that [noun prp]	10
19	it [is] [adv] unlikely that [noun prp]	10
20	it [is] [adv] likely that [noun prp]	10
21	it [is] [adv] likely that [noun prp]	10
22	it [is] [adv] certain that [noun prp]	10
23	it [is] very [adj] that [noun prp]	8
24	it [is] highly [adj] that [noun prp]	7
25	it [is] just [adj] that [noun prp]	7
26	it [is] now [adj] that [noun prp]	7
27	it [is] [adv] wonder that [noun prp]	6
28	it [is] perhaps [adj] that [noun prp]	6
29	it [is] even [adj] that [noun prp]	6
30	it [is] certainly [adj] that [noun prp]	6