SN4 ""

No	Pattern	Freq
1	is [adv] [verb] that	1409
2	is [adv] [vb pp] that	1256
3	is generally [verb] that	163
4	is well [verb] that	162
5	is often [verb] that	158
6	is [adv] know that	147
7	is [adv] known that	147
8	is [adv] say that	128
9	is now [verb] that	126
10	is also [verb] that	120
11	is [adv] assumed that	109
12	is [adv] assume that	109
13	is [adv] [v-ing] that	103
14	is [adv] said that	99
15	is sometimes [verb] that	96
16	is [adv] accept that	90
17	is [adv] accepted that	89
18	is widely [verb] that	88
19	is [adv] argue that	77
20	is [adv] argued that	73
21	is [adv] suggest that	61
22	is [adv] believe that	56
23	is [adv] believed that	56
24	is [adv] suggested that	53
25	is so [verb] that	51
26	is [adv] recognise that	51
27	is [adv] recognised that	49
28	is [adv] agree that	42
29	is [adv] agreed that	41
30	is [adv] establish that	38