SN4 ""

No	Pattern	Freq
1	it be [adv] [verb] that [adj]	165
2	it be [adv] [vb pp] that [adj]	164
3	it be [adv] [verb] that [adj]	161
4	it is [adv] [verb] that [adj]	97
5	it was [adv] [verb] that [adj]	65
6	it be also [verb] that [adj]	32
7	it be also [verb] that [adj]	32
8	it be widely [verb] that [adj]	20
9	it be widely [verb] that [adj]	20
10	it be generally [verb] that [adj]	17
11	it be generally [verb] that [adj]	17
12	it be well [verb] that [adj]	17
13	it be well [verb] that [adj]	17
14	it be [adv] known that [adj]	14
15	it be [adv] know that [adj]	14
16	it be [adv] argue that [adj]	13
17	it be [adv] argued that [adj]	13
18	it be often [verb] that [adj]	12
19	it be [adv] accepted that [adj]	12
20	it be [adv] accept that [adj]	12
21	it be often [verb] that [adj]	12
22	it be [adv] agreed that [adj]	11
23	it be [adv] assume that [adj]	11
24	it be [adv] recognise that [adj]	11
25	it be [adv] recognised that [adj]	11
26	it be [adv] assumed that [adj]	11
27	it be [adv] agree that [adj]	11
28	it be sometimes [verb] that [adj]	9
29	it be sometimes [verb] that [adj]	9
30	it be now [verb] that [adj]	8