SN4 ""

No	Pattern	Freq
1	[conj] it be [adv] [vb pp] that	348
2	[coord] it [be] [adv] [vb pp] that	205
3	[conj] it [is] [adv] [vb pp] that	196
4	[conj] it is [adv] [vb pp] that	184
5	[conj] it [was/were] [adv] [vb pp] that	151
6	[conj] it was [adv] [vb pp] that	150
7	[subord] it [be] [adv] [vb pp] that	124
8	and it [be] [adv] [vb pp] that	121
9	and it [be] [adv] [vb pp] that	121
10	but it [be] [adv] [vb pp] that	83
11	but it [be] [adv] [vb pp] that	83
12	[conj] it [be] generally [vb pp] that	55
13	[conj] it [be] [adv] known that	39
14	[conj] it [be] widely [vb pp] that	38
15	[conj] it [be] now [vb pp] that	35
16	although it [be] [adv] [vb pp] that	31
17	although it [be] [adv] [vb pp] that	31
18	[conj] it [be] well [vb pp] that	28
19	[conj] it [be] [adv] accepted that	26
20	[conj] it [be] [adv] assumed that	24
21	[conj] it [be] [adv] believed that	22
22	[conj] it [be] also [vb pp] that	21
23	[that] it [be] [adv] [vb pp] that	19
24	that it [be] [adv] [vb pp] that	19
25	that it [be] [adv] [vb pp] that	19
26	[conj] it [be] often [vb pp] that	17
27	[conj] it [be] [adv] agreed that	16
28	[conj] it [be] [adv] recognised that	16
29	as it [be] [adv] [vb pp] that	15
30	as it [be] [adv] [vb pp] that	15