SN4 ""

No	Pattern	Freq
1	it [be] [adv] [vb pp] that [art]	717
2	it be [adv] [vb pp] that [art]	717
3	it [be] [adv] [vb pp] that the	599
4	it [be] [adv] [vb pp] that the	599
5	it [is] [adv] [vb pp] that [art]	412
6	it is [adv] [vb pp] that [art]	404
7	it [was/were] [adv] [vb pp] that [art]	302
8	it was [adv] [vb pp] that [art]	301
9	it [be] also [vb pp] that [art]	148
10	it [be] [adv] [vb pp] that a	106
11	it [be] [adv] [vb pp] that a	91
12	it [be] generally [vb pp] that [art]	90
13	it [be] widely [vb pp] that [art]	69
14	it [be] [adv] known that [art]	51
15	it [be] often [vb pp] that [art]	49
16	it [be] well [vb pp] that [art]	48
17	it [be] [adv] agreed that [art]	45
18	it [be] now [vb pp] that [art]	45
19	it [be] [adv] assumed that [art]	43
20	it [be] [adv] accepted that [art]	41
21	it [be] [adv] believed that [art]	40
22	it [be] [adv] argued that [art]	37
23	it [be] [adv] suggested that [art]	35
24	it [be] sometimes [vb pp] that [art]	33
25	it [be] [adv] said that [art]	32
26	it [be] [adv] thought that [art]	25
27	it [be] [adv] felt that [art]	21
28	it [be] [adv] recognised that [art]	21
29	it [be] [adv] established that [art]	18
30	it [be] [adv] reported that [art]	17