SN4 ""

No	Pattern	Freq
31	it clear that [noun]	93
32	it clear that [noun]	93
33	it [is] that [noun]	83
34	it seemed that [noun]	75
35	it [was/were] that [noun]	71
36	it was that [noun]	70
37	it is that [noun]	70
38	it say that [noun]	59
39	it means that [noun]	59
40	it appeared that [noun]	48
41	it follow that [noun]	47
42	it suggest that [noun]	42
43	it follows that [noun]	40
44	it meant that [noun]	40
45	it show that [noun]	34
46	it emerge that [noun]	29
47	it emerged that [noun]	28
48	it says that [noun]	26
49	it said that [noun]	24
50	it suggests that [noun]	23
51	it shows that [noun]	23
52	it possible that [noun]	19
53	it possible that [noun]	19
54	it be that [noun]	18
55	it [be] that [noun]	18
56	it [vb infin] that [noun]	18
57	it suggested that [noun]	17
58	it assume that [noun]	16
59	it imply that [noun]	16
60	it [adv] that [noun]	16