SN4 ""

No	Pattern	Freq
1	it be [adj] [conj] the [noun sg]	1579
2	it [be] [adj] [conj] the [noun sg]	1514
3	it [be] [adj] that the [noun sg]	1349
4	it [be] [adj] that the [noun sg]	1349
5	it [be] [adj] [that] the [noun sg]	1349
6	it [is] [adj] [conj] the [noun sg]	1245
7	it is [adj] [conj] the [noun sg]	1145
8	it [was/were] [adj] [conj] the [noun sg]	329
9	it was [adj] [conj] the [noun sg]	325
10	it [be] clear [conj] the [noun sg]	252
11	it [be] clear [conj] the [noun sg]	252
12	it [be] [adj] [subord] the [noun sg]	167
13	it [be] important [conj] the [noun sg]	131
14	it [be] important [conj] the [noun sg]	131
15	it 's [adj] [conj] the [noun sg]	100
16	it [be] possible [conj] the [noun sg]	98
17	it [be] possible [conj] the [noun sg]	98
18	it [be] likely [conj] the [noun sg]	91
19	it [be] likely [conj] the [noun sg]	91
20	it [be] true [conj] the [noun sg]	86
21	it [be] true [conj] the [noun sg]	86
22	it [be] [adj] [coord] the [noun sg]	63
23	it [be] unlikely [conj] the [noun sg]	60
24	it [be] unlikely [conj] the [noun sg]	60
25	it [be] essential [conj] the [noun sg]	57
26	it [be] essential [conj] the [noun sg]	57
27	it [be] [adj] whether the [noun sg]	55
28	it [be] [adj] whether the [noun sg]	55
29	it [be] obvious [conj] the [noun sg]	54
30	it [be] obvious [conj] the [noun sg]	54