SN4 ""

No	Pattern	Freq
1	it [be] [adv] important [to-vb] [conj]	96
2	it be [adv] important [to-vb] [conj]	96
3	it [is] [adv] important [to-vb] [conj]	89
4	it is [adv] important [to-vb] [conj]	82
5	it [be] [adv] important [to-vb] [that]	79
6	it [be] [adv] important [to-vb] that	79
7	it [be] [adv] important [to-vb] that	79
8	it [be] also important [to-vb] [conj]	47
9	it [be] [adv] important to ensure [conj]	16
10	it [be] very important [to-vb] [conj]	16
11	it [be] [adv] important to remember [conj]	13
12	it [be] [adv] important [to-vb] [subord]	11
13	it [be] [adv] important to note [conj]	10
14	it [be] [adv] important [to-vb] whether	8
15	it [be] [adv] important [to-vb] whether	8
16	it [be] [adv] important to realise [conj]	8
17	it [was/were] [adv] important [to-vb] [conj]	7
18	it 's [adv] important [to-vb] [conj]	7
19	it [be] [adv] important to know [conj]	7
20	it was [adv] important [to-vb] [conj]	7
21	it [be] equally important [to-vb] [conj]	7
22	it [be] [adv] important to recognize [conj]	6
23	it [be] [adv] important [to-vb] and	6
24	it [be] [adv] important [to-vb] [coord]	6
25	it [be] [adv] important [to-vb] and	6