SN4 ""

No	Pattern	Freq
1	it [be] [vb pp] that [adj]	1625
2	it be [vb pp] that [adj]	1625
3	it [be] [vb pp] that [det]	950
4	it [is] [vb pp] that [adj]	823
5	it is [vb pp] that [adj]	798
6	it [was/were] [vb pp] that [adj]	773
7	it was [vb pp] that [adj]	769
8	it [be] [vb pp] that [adj]	457
9	it [be] [vb pp] that this	356
10	it [be] [vb pp] that this	356
11	it [be] [vb pp] that [num]	194
12	it [be] hoped that [adj]	132
13	it [be] [vb pp] that these	111
14	it [be] [vb pp] that these	111
15	it [be] [vb pp] that some	102
16	it [be] [vb pp] that some	102
17	it [be] suggested that [adj]	91
18	it [be] estimated that [adj]	88
19	it [be] felt that [adj]	78
20	it [be] thought that [adj]	73
21	it [be] [vb pp] that all	71
22	it [be] [vb pp] that all	71
23	it [be] [vb pp] that such	69
24	it [be] [vb pp] that such	69
25	it [be] found that [adj]	67
26	it [be] argued that [adj]	64
27	it [be] said that [adj]	58
28	it [be] believed that [adj]	58
29	it [be] reported that [adj]	54
30	it [be] assumed that [adj]	52