SN4 ""

No	Pattern	Freq
1	it [be] the [noun] [verb] [prep]	93
2	it be the [noun] [verb] [prep]	93
3	it [be] the [noun] [verb] [prep]	92
4	it [be] the [noun sg] [verb] [prep]	79
5	it [be] the [noun] [vb pp] [prep]	59
6	it [is] the [noun] [verb] [prep]	56
7	it is the [noun] [verb] [prep]	43
8	it was the [noun] [verb] [prep]	37
9	it [was/were] the [noun] [verb] [prep]	37
10	it [be] the [noun] [v-ing] [prep]	18
11	it [be] the [noun] [verb] to	17
12	it [be] the [noun] [verb] to	17
13	it [be] the [noun] [verb] by	17
14	it [be] the [noun] [verb] by	17
15	it [be] the [noun] [to-vb] [prep]	14
16	it [be] the [noun pl] [verb] [prep]	14
17	it 's the [noun] [verb] [prep]	13
18	it [be] the [noun] [verb] in	12
19	it [be] the [noun] [verb] in	12
20	it [be] the [noun] [verb] for	9
21	it [be] the [noun] [verb] for	9
22	it [be] the [noun] [verb] with	7
23	it [be] the [noun] [verb] with	7
24	it [be] the [noun] [verb] on	6
25	it [be] the [noun] [verb] on	6
26	it [be] the [noun] [verb] from	5
27	it [be] the [noun] [verb] from	5
28	it [be] the [noun] give [prep]	5
29	it [be] the [noun] use [prep]	5
30	it [be] the [noun] made [prep]	5