SN4 ""

No	Pattern	Freq
1	it is [vb pp] that [noun pl]	224
2	it is [vb pp] that [noun prp]	154
3	it is [vb pp] that [noun sg]	119
4	it is said that [noun]	48
5	it is hoped that [noun]	44
6	it is known that [noun]	34
7	it is suggested that [noun]	33
8	it is assumed that [noun]	31
9	it is argued that [noun]	29
10	it is understood that [noun]	28
11	it is believed that [noun]	27
12	it is thought that [noun]	25
13	it is expected that [noun]	23
14	it is [vb pp] that [n mass]	16
15	it is recognised that [noun]	15
16	it is estimated that [noun]	15
17	it is recommended that [noun]	13
18	it is [vb pp] that mr	11
19	it is claimed that [noun]	11
20	it is [vb pp] that mr	11
21	it is accepted that [noun]	10
22	it is felt that [noun]	9
23	it is proposed that [noun]	9
24	it is [vb pp] that member	9
25	it is [vb pp] that members	9
26	it is concluded that [noun]	9
27	it is alleged that [noun]	8
28	it is reported that [noun]	7
29	it is [vb pp] that god	6
30	it is [vb pp] that god	6