SN4 ""

No	Pattern	Freq
1	it be [adv] [vb pp] that [noun]	370
2	it is [adv] [vb pp] that [noun]	203
3	it was [adv] [vb pp] that [noun]	155
4	it be [adv] [vb pp] that [noun prp]	151
5	it be [adv] [vb pp] that [noun pl]	111
6	it be [adv] [vb pp] that [noun sg]	95
7	it be also [vb pp] that [noun]	64
8	it be well [vb pp] that [noun]	52
9	it be [adv] known that [noun]	52
10	it be often [vb pp] that [noun]	43
11	it be widely [vb pp] that [noun]	42
12	it be generally [vb pp] that [noun]	40
13	it be [adv] believed that [noun]	33
14	it be [adv] said that [noun]	33
15	it be [adv] assumed that [noun]	30
16	it be sometimes [vb pp] that [noun]	20
17	it be [adv] agreed that [noun]	19
18	it be now [vb pp] that [noun]	18
19	it be [adv] argued that [noun]	18
20	it be [adv] claimed that [noun]	13
21	it be [adv] felt that [noun]	13
22	it be [adv] accepted that [noun]	12
23	it be [adv] thought that [noun]	12
24	it be [adv] [vb pp] that [n mass]	12
25	it 's [adv] [vb pp] that [noun]	11
26	it be [adv] suggested that [noun]	10
27	it be [adv] [vb pp] that mr	10
28	it be [adv] recognized that [noun]	10
29	it be [adv] [vb pp] that mr	10
30	it be [adv] reported that [noun]	9