SN4 ""

No	Pattern	Freq
1	it was [adj] that [adj]	222
2	it [was/were] [adj] that [det]	152
3	it [was/were] clear that [adj]	56
4	it [was/were] [adj] that [adj]	56
5	it [was/were] [adj] that this	37
6	it [was/were] [adj] that this	37
7	it [was/were] obvious that [adj]	20
8	it [was/were] [adj] that some	20
9	it [was/were] [adj] that some	20
10	it [was/were] [adj] that any	15
11	it [was/were] [adj] that any	15
12	it [was/were] [adj] that many	15
13	it [was/were] [adj] that many	15
14	it [was/were] [adj] that these	14
15	it [was/were] [adj] that these	14
16	it [was/were] inevitable that [adj]	14
17	it [was/were] possible that [adj]	14
18	it [was/were] [adj] that [num]	12
19	it [was/were] [adj] that such	11
20	it [was/were] true that [adj]	11
21	it [was/were] [adj] that such	11
22	it [was/were] evident that [adj]	10
23	it [was/were] [adj] that all	10
24	it [was/were] [adj] that all	10
25	it [was/were] unlikely that [adj]	9
26	it [was/were] important that [adj]	8
27	it [was/were] [adj] that both	7
28	it [was/were] [adj] that both	7
29	it [was/were] [adj] that one	6
30	it [was/were] [adj] that one	6