SN4 ""

No	Pattern	Freq
1	it be [adv] [vb pp] that	2165
2	it [be] [adv] [vb pp] that	2165
3	it [be] [adv] [vb pp] that	2056
4	it [is] [adv] [vb pp] that	1287
5	it is [adv] [vb pp] that	1240
6	it [was/were] [adv] [vb pp] that	873
7	it was [adv] [vb pp] that	871
8	it [be] also [vb pp] that	356
9	it [be] also [vb pp] that	356
10	it [be] generally [vb pp] that	245
11	it [be] generally [vb pp] that	245
12	it [be] widely [vb pp] that	200
13	it [be] widely [vb pp] that	200
14	it [be] [adv] known that	194
15	it [be] well [vb pp] that	183
16	it [be] well [vb pp] that	183
17	it [be] often [vb pp] that	163
18	it [be] often [vb pp] that	163
19	it [be] [adv] assumed that	147
20	it [be] now [vb pp] that	123
21	it [be] now [vb pp] that	123
22	it [be] [adv] believed that	122
23	it [be] [adv] said that	119
24	it [be] [adv] accepted that	119
25	it [be] [adv] agreed that	119
26	it [be] not [vb pp] that	109
27	it [be] [not/n't] [vb pp] that	109
28	it [be] [adv] suggested that	107
29	it [be] not [vb pp] that	106
30	it [be] sometimes [vb pp] that	99