SN4 ""

No	Pattern	Freq
1	it [be] that [noun] [prep]	154
2	it be that [noun] [prep]	154
3	it [is] that [noun] [prep]	103
4	it 's that [noun] [prep]	70
5	it [verb] that [noun] [prep]	55
6	it [was/were] that [noun] [prep]	48
7	it was that [noun] [prep]	46
8	it is that [noun] [prep]	33
9	it [vb -s] that [noun] [prep]	32
10	it [prep] that [noun] [prep]	31
11	it [prep] that [noun] [prep]	31
12	it [vb past] that [noun] [prep]	16
13	it in that [noun] [prep]	8
14	it in that [noun] [prep]	8
15	it seem that [noun] [prep]	7
16	it [conj] that [noun] [prep]	7
17	it with that [noun] [prep]	6
18	it with that [noun] [prep]	6
19	it have that [noun] [prep]	5
20	it and that [noun] [prep]	5
21	it and that [noun] [prep]	5
22	it [coord] that [noun] [prep]	5
23	[verb] it that [noun] [prep]	30
24	[to-vb] it that [noun] [prep]	9
25	[vb infin] it that [noun] [prep]	8
26	see it that [noun] [prep]	7
27	keep it that [noun] [prep]	7
28	[prep] it that [noun] [prep]	6
29	[prep] it that [noun] [prep]	6
30	[vb past] it that [noun] [prep]	5