SN4 ""

No	Pattern	Freq
1	is [adv] [vb pp] that [art]	427
2	is [adv] [vb pp] that the	347
3	is [adv] [vb pp] that the	347
4	is [adv] [vb pp] that a	74
5	is [adv] [vb pp] that a	65
6	is generally [vb pp] that [art]	61
7	is also [vb pp] that [art]	49
8	is often [vb pp] that [art]	47
9	is well [vb pp] that [art]	42
10	is [adv] known that [art]	41
11	is now [vb pp] that [art]	40
12	is [adv] assumed that [art]	36
13	is widely [vb pp] that [art]	34
14	is sometimes [vb pp] that [art]	33
15	is [adv] accepted that [art]	30
16	is [adv] said that [art]	27
17	is [adv] argued that [art]	27
18	is [adv] suggested that [art]	24
19	is [adv] believed that [art]	22
20	is [adv] agreed that [art]	16
21	is [adv] recognised that [art]	15
22	is therefore [vb pp] that [art]	14
23	is [adv] recommended that [art]	13
24	is [adv] established that [art]	13
25	is [adv] thought that [art]	13
26	is usually [vb pp] that [art]	11
27	is frequently [vb pp] that [art]	10
28	is [adv] claimed that [art]	10
29	is [adv] [vb pp] that an	9
30	is commonly [vb pp] that [art]	9