SN4 ""

No	Pattern	Freq
1	it [be] clear that [adj] [noun]	166
2	it be clear that [adj] [noun]	166
3	it [be] clear that [adj] [noun]	166
4	it [is] clear that [adj] [noun]	136
5	it is clear that [adj] [noun]	134
6	it [be] clear that [det] [noun]	86
7	it [be] clear that [adj] [noun pl]	80
8	it [be] clear that [adj] [noun]	75
9	it [be] clear that [adj] [noun sg]	74
10	it was clear that [adj] [noun]	30
11	it [was/were] clear that [adj] [noun]	30
12	it [be] clear that this [noun]	19
13	it [be] clear that this [noun]	19
14	it [be] clear that some [noun]	16
15	it [be] clear that some [noun]	16
16	it [be] clear that these [noun]	12
17	it [be] clear that these [noun]	12
18	it [be] clear that many [noun]	10
19	it [be] clear that many [noun]	10
20	it [be] clear that [adj] [n mass]	8
21	it [be] clear that such [noun]	7
22	it [be] clear that both [noun]	7
23	it [be] clear that such [noun]	7
24	it [be] clear that both [noun]	7
25	it [be] clear that [adj] people	6
26	it [be] clear that [adj] people	6
27	it [be] clear that any [noun]	5
28	it [be] clear that any [noun]	5