SN4 ""

No	Pattern	Freq
1	[pers pn] is [adv] [vb pp] that	1171
2	it is [adv] [vb pp] that	1169
3	it is [adv] [vb pp] that	1169
4	[pron] is generally [vb pp] that	163
5	[pron] is well [vb pp] that	160
6	[pron] is often [vb pp] that	151
7	[pron] is [adv] known that	147
8	[pron] is also [vb pp] that	109
9	[pron] is [adv] assumed that	109
10	[pron] is now [vb pp] that	102
11	[pron] is [adv] said that	98
12	[pron] is sometimes [vb pp] that	95
13	[pron] is [adv] accepted that	89
14	[pron] is widely [vb pp] that	88
15	[pron] is [adv] argued that	73
16	[pron] is [adv] believed that	56
17	[pron] is [adv] suggested that	53
18	[pron] is [adv] recognised that	49
19	[pron] is [adv] agreed that	41
20	[pron] is [adv] established that	36
21	[pron] is [adv] thought that	36
22	[pron] is commonly [vb pp] that	31
23	[pron] is [adv] recommended that	30
24	[pron] is strongly [vb pp] that	28
25	[pron] is [adv] claimed that	27
26	[pron] is usually [vb pp] that	26
27	[pron] is therefore [vb pp] that	23
28	[pron] is [adv] recognized that	20
29	[pron] is further [vb pp] that	17
30	[pron] is [adv] found that	16