SN4 ""

No	Pattern	Freq
1	it [was/were] [vb pp] that [adj]	773
2	it was [vb pp] that [adj]	769
3	it [was/were] [vb pp] that [det]	404
4	it [was/were] [vb pp] that [adj]	233
5	it [was/were] [vb pp] that this	134
6	it [was/were] [vb pp] that this	134
7	it [was/were] [vb pp] that [num]	123
8	it [was/were] found that [adj]	62
9	it [was/were] [vb pp] that these	52
10	it [was/were] felt that [adj]	52
11	it [was/were] [vb pp] that these	52
12	it [was/were] [vb pp] that some	49
13	it [was/were] [vb pp] that some	49
14	it [was/were] reported that [adj]	49
15	it [was/were] agreed that [adj]	41
16	it [was/were] held that [adj]	40
17	it [was/were] suggested that [adj]	39
18	it [was/were] [vb pp] that all	32
19	it [was/were] [vb pp] that all	32
20	it [was/were] estimated that [adj]	30
21	it [was/were] argued that [adj]	30
22	it [was/were] [vb pp] that many	29
23	it [was/were] [vb pp] that many	29
24	it [was/were] announced that [adj]	27
25	it [was/were] [vb pp] that such	26
26	it [was/were] [vb pp] that such	26
27	it [was/were] [vb pp] that one	24
28	it [was/were] [vb pp] that one	24
29	it [was/were] thought that [adj]	23
30	it [was/were] hoped that [adj]	22