SN4 ""

No	Pattern	Freq
1	it be [adv] [vb pp] that [det]	235
2	it [be] [adv] [vb pp] that [det]	214
3	it [is] [adv] [vb pp] that [det]	152
4	it is [adv] [vb pp] that [det]	149
5	it was [adv] [vb pp] that [det]	83
6	it [was/were] [adv] [vb pp] that [det]	83
7	it [be] [adv] [vb pp] that this	73
8	it [be] generally [vb pp] that [det]	31
9	it [be] generally [vb pp] that [det]	31
10	it [be] also [vb pp] that [det]	27
11	it [be] also [vb pp] that [det]	27
12	it [be] [adv] assumed that [det]	26
13	it [be] [adv] [vb pp] that these	25
14	it [be] [adv] [vb pp] that such	25
15	it [be] [adv] [vb pp] that some	22
16	it [be] [not/n't] [vb pp] that [det]	21
17	it [be] [adv] [vb pp] that any	21
18	it [be] not [vb pp] that [det]	21
19	it [be] [adv] [vb pp] that all	20
20	it [be] not [vb pp] that [det]	20
21	it [be] [adv] accepted that [det]	19
22	it [be] [adv] known that [det]	19
23	it [be] widely [vb pp] that [det]	16
24	it [be] widely [vb pp] that [det]	16
25	it [be] often [vb pp] that [det]	15
26	it [be] often [vb pp] that [det]	15
27	it [be] well [vb pp] that [det]	14
28	it [be] well [vb pp] that [det]	14
29	it [be] [adv] [vb pp] that many	14
30	it [be] [adv] agreed that [det]	13