SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [det] [noun sg]	142
2	it is [vb pp] that this [noun]	99
3	it is [vb pp] that [det] [noun pl]	95
4	it is hoped that [det] [noun]	41
5	it is [vb pp] that these [noun]	34
6	it is [vb pp] that such [noun]	28
7	it is [vb pp] that some [noun]	23
8	it is [vb pp] that all [noun]	17
9	it is suggested that [det] [noun]	16
10	it is anticipated that [det] [noun]	15
11	it is expected that [det] [noun]	13
12	it is intended that [det] [noun]	12
13	it is thought that [det] [noun]	12
14	it is assumed that [det] [noun]	11
15	it is [vb pp] that [det] [n mass]	11
16	it is believed that [det] [noun]	10
17	it is recommended that [det] [noun]	9
18	it is said that [det] [noun]	9
19	it is [vb pp] that each [noun]	9
20	it is estimated that [det] [noun]	8
21	it is felt that [det] [noun]	8
22	it is [vb pp] that more [noun]	8
23	it is known that [det] [noun]	7
24	it is accepted that [det] [noun]	7
25	it is recognised that [det] [noun]	7
26	it is [vb pp] that those [noun]	6
27	it is [vb pp] that [det] people	6
28	it is [vb pp] that [det] people	6
29	it is [vb pp] that [det] area	5
30	it is [vb pp] that [det] student	5