SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [adj] [noun]	465
2	it was [vb pp] that [adj] [noun]	448
3	it be [vb pp] that [det] [noun]	447
4	it be [vb pp] that [adj] [noun sg]	443
5	it be [vb pp] that [adj] [noun pl]	434
6	it be [vb pp] that [adj] [noun]	389
7	it be [vb pp] that this [noun]	147
8	it be [vb pp] that this [noun]	147
9	it be [vb pp] that [num] [noun]	88
10	it be hoped that [adj] [noun]	77
11	it be [vb pp] that these [noun]	62
12	it be [vb pp] that these [noun]	62
13	it be suggested that [adj] [noun]	54
14	it be [vb pp] that some [noun]	50
15	it be [vb pp] that some [noun]	50
16	it be [vb pp] that such [noun]	42
17	it be [vb pp] that such [noun]	42
18	it be felt that [adj] [noun]	42
19	it be [vb pp] that [adj] [n mass]	42
20	it be thought that [adj] [noun]	40
21	it be argued that [adj] [noun]	38
22	it be found that [adj] [noun]	38
23	it be assumed that [adj] [noun]	36
24	it be estimated that [adj] [noun]	36
25	it be reported that [adj] [noun]	34
26	it be [vb pp] that all [noun]	33
27	it be [vb pp] that all [noun]	33
28	it be said that [adj] [noun]	30
29	it be believed that [adj] [noun]	30
30	it be known that [adj] [noun]	29