SN4 ""

No	Pattern	Freq
1	it [verb] that [noun]	1050
2	it [vb -s] that [noun]	611
3	it [vb past] that [noun]	394
4	it seem that [noun]	246
5	it [adj] that [noun]	231
6	it [adj] that [noun]	231
7	it be that [noun]	172
8	it [be] that [noun]	172
9	it seems that [noun]	166
10	it appear that [noun]	165
11	it appears that [noun]	115
12	it mean that [noun]	106
13	it clear that [noun]	93
14	it clear that [noun]	93
15	it [is] that [noun]	83
16	it seemed that [noun]	75
17	it [was/were] that [noun]	71
18	it was that [noun]	70
19	it is that [noun]	70
20	it say that [noun]	59
21	it means that [noun]	59
22	it appeared that [noun]	48
23	it follow that [noun]	47
24	it suggest that [noun]	42
25	it follows that [noun]	40
26	it meant that [noun]	40
27	it show that [noun]	34
28	it emerge that [noun]	29
29	it emerged that [noun]	28
30	it says that [noun]	26