SN4 ""

No	Pattern	Freq
1	is [vb pp] that the [noun]	867
2	[is] [vb pp] that the [noun sg]	684
3	[is] [vb pp] that the [noun pl]	163
4	[is] hoped that the [noun]	87
5	[is] suggested that the [noun]	76
6	[is] thought that the [noun]	54
7	[is] assumed that the [noun]	51
8	[is] expected that the [noun]	51
9	[is] [vb pp] that the [noun prp]	35
10	[is] argued that the [noun]	33
11	[is] estimated that the [noun]	32
12	[is] believed that the [noun]	31
13	[is] said that the [noun]	31
14	[is] understood that the [noun]	30
15	's [vb pp] that the [noun]	28
16	[is] intended that the [noun]	24
17	[is] known that the [noun]	23
18	[is] anticipated that the [noun]	22
19	[is] accepted that the [noun]	20
20	[is] claimed that the [noun]	19
21	[is] submitted that the [noun]	18
22	[is] recommended that the [noun]	17
23	[is] considered that the [noun]	15
24	[is] felt that the [noun]	15
25	[is] envisaged that the [noun]	15
26	[is] [vb pp] that the result	14
27	[is] [vb pp] that the results	13
28	[is] [vb pp] that the research	12
29	[is] [vb pp] that the research	12
30	[is] [vb pp] that the reader	11