SN4 ""

No	Pattern	Freq
1	it is [adv] [vb pp] that [art]	425
2	it is [adv] [vb pp] that [art]	425
3	it is [adv] [vb pp] that [art]	404
4	it is [adv] [vb pp] that the	350
5	it is [adv] [vb pp] that the	350
6	it is [adv] [vb pp] that a	70
7	it is [adv] [vb pp] that a	61
8	it is generally [vb pp] that [art]	60
9	it is generally [vb pp] that [art]	60
10	it is also [vb pp] that [art]	48
11	it is also [vb pp] that [art]	48
12	it is often [vb pp] that [art]	44
13	it is often [vb pp] that [art]	44
14	it is [adv] known that [art]	41
15	it is well [vb pp] that [art]	41
16	it is well [vb pp] that [art]	41
17	it is now [vb pp] that [art]	40
18	it is now [vb pp] that [art]	40
19	it is [adv] assumed that [art]	36
20	it is widely [vb pp] that [art]	34
21	it is widely [vb pp] that [art]	34
22	it is sometimes [vb pp] that [art]	32
23	it is sometimes [vb pp] that [art]	32
24	it is [adv] suggested that [art]	30
25	it is [adv] accepted that [art]	29
26	it is [adv] argued that [art]	27
27	it is [adv] said that [art]	27
28	it is [adv] believed that [art]	22
29	it is not [vb pp] that [art]	21
30	it is not [vb pp] that [art]	21