SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [det]	514
2	it [is] [vb pp] that this	216
3	it [is] hoped that [det]	80
4	it [is] [vb pp] that these	58
5	it [is] [vb pp] that some	53
6	it [is] [vb pp] that all	37
7	it [is] [vb pp] that such	37
8	it [is] suggested that [det]	34
9	it [is] thought that [det]	33
10	it [is] believed that [det]	26
11	it [is] estimated that [det]	25
12	it [is] recommended that [det]	22
13	it [is] [vb pp] that many	22
14	it [is] expected that [det]	21
15	it [is] felt that [det]	20
16	it [is] said that [det]	20
17	it [is] anticipated that [det]	19
18	it [is] argued that [det]	18
19	it [is] intended that [det]	18
20	it [is] known that [det]	17
21	it [is] [vb pp] that more	16
22	it [is] assumed that [det]	16
23	it [is] understood that [det]	15
24	it [is] [vb pp] that those	15
25	it [is] [vb pp] that most	15
26	it [is] [vb pp] that each	14
27	it 's [vb pp] that [det]	14
28	it [is] accepted that [det]	12
29	it [is] submitted that [det]	12
30	it [is] recognised that [det]	12