SN4 ""

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