SN4 ""

No	Pattern	Freq
1	it is [adv] [vb pp] that [adj]	240
2	[pers pn] is [adv] [vb pp] that [det]	133
3	[pers pn] is [adv] [vb pp] that [adj]	93
4	[pers pn] is generally [vb pp] that [adj]	36
5	[pers pn] is [adv] [vb pp] that this	34
6	[pers pn] is [adv] [vb pp] that this	34
7	[pers pn] is [adv] known that [adj]	31
8	[pers pn] is well [vb pp] that [adj]	30
9	[pers pn] is [adv] assumed that [adj]	26
10	[pers pn] is often [vb pp] that [adj]	26
11	[pers pn] is [adv] accepted that [adj]	25
12	[pers pn] is widely [vb pp] that [adj]	23
13	[pers pn] is also [vb pp] that [adj]	21
14	[pers pn] is now [vb pp] that [adj]	21
15	[pers pn] is sometimes [vb pp] that [adj]	18
16	[pers pn] is [adv] said that [adj]	17
17	[pers pn] is [adv] [vb pp] that these	16
18	[pers pn] is [adv] [vb pp] that these	16
19	[pers pn] is [adv] [vb pp] that such	16
20	[pers pn] is [adv] [vb pp] that such	16
21	[pers pn] is [adv] [vb pp] that all	15
22	[pers pn] is [adv] [vb pp] that all	15
23	[pers pn] is [adv] recognised that [adj]	15
24	[pers pn] is [adv] [vb pp] that [num]	12
25	[pers pn] is [adv] [vb pp] that some	11
26	[pers pn] is [adv] [vb pp] that many	11
27	[pers pn] is [adv] [vb pp] that some	11
28	[pers pn] is [adv] [vb pp] that many	11
29	[pers pn] is [adv] argued that [adj]	10
30	[pers pn] is commonly [vb pp] that [adj]	9