SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [det]	514
2	it is [vb pp] that this	216
3	it is [vb pp] that this	216
4	it is [vb pp] that [adj]	209
5	it is hoped that [adj]	104
6	it is [vb pp] that [num]	65
7	it is [vb pp] that these	56
8	it is [vb pp] that these	56
9	it is suggested that [adj]	52
10	it is estimated that [adj]	52
11	it is [vb pp] that some	50
12	it is [vb pp] that some	50
13	it is thought that [adj]	46
14	it is believed that [adj]	41
15	it is [vb pp] that such	37
16	it is [vb pp] that such	37
17	it is said that [adj]	36
18	it is [vb pp] that all	35
19	it is [vb pp] that all	35
20	it is argued that [adj]	32
21	it is known that [adj]	32
22	it is expected that [adj]	30
23	it is assumed that [adj]	29
24	it is felt that [adj]	26
25	it is recommended that [adj]	25
26	it is anticipated that [adj]	23
27	it is intended that [adj]	22
28	it is accepted that [adj]	22
29	it is [vb pp] that many	21
30	it is [vb pp] that many	21