SN4 ""

No	Pattern	Freq
1	it [verb] [adj] that	1771
2	it [verb] [adj] that	1757
3	it [vb -s] [adj] that	1093
4	it seem [adj] that	1081
5	it seems [adj] that	888
6	it [vb past] [adj] that	657
7	it become [adj] that	562
8	it became [adj] that	446
9	it [verb] clear that	429
10	it [verb] clear that	428
11	it [verb] likely that	347
12	it [verb] likely that	347
13	it seemed [adj] that	183
14	it [verb] unlikely that	151
15	it [verb] unlikely that	151
16	it [verb] apparent that	137
17	it [verb] apparent that	137
18	it becomes [adj] that	110
19	it [verb] obvious that	77
20	it [verb] obvious that	77
21	it [verb] possible that	62
22	it [verb] possible that	62
23	it [verb] evident that	61
24	it [verb] evident that	61
25	it remain [adj] that	59
26	it remains [adj] that	57
27	it [verb] probable that	52
28	it [verb] probable that	52
29	it [verb] certain that	46
30	it [verb] certain that	46