SN4 ""

No	Pattern	Freq
1	it [vb -s] that [adj] [noun]	203
2	it [verb] that [adj] [noun sg]	143
3	it [verb] that [adj] [noun pl]	131
4	it [vb past] that [adj] [noun]	83
5	it seem that [adj] [noun]	56
6	it seems that [adj] [noun]	46
7	it appear that [adj] [noun]	44
8	it appears that [adj] [noun]	36
9	it follow that [adj] [noun]	25
10	it follows that [adj] [noun]	25
11	it mean that [adj] [noun]	23
12	it show that [adj] [noun]	16
13	it say that [adj] [noun]	16
14	it means that [adj] [noun]	15
15	it suggest that [adj] [noun]	13
16	it [verb] that [adj] [n mass]	12
17	it says that [adj] [noun]	11
18	it seemed that [adj] [noun]	10
19	it shows that [adj] [noun]	10
20	it argue that [adj] [noun]	9
21	it suggests that [adj] [noun]	9
22	it meant that [adj] [noun]	8
23	it appeared that [adj] [noun]	8
24	it [verb] that [adj] people	7
25	it [verb] that young [noun]	7
26	it argues that [adj] [noun]	7
27	it [verb] that [adj] people	7
28	it conclude that [adj] [noun]	7
29	it [verb] that new [noun]	6
30	it recommend that [adj] [noun]	6