SN4 ""

No	Pattern	Freq
1	it is [vb pp] that the [adj]	265
2	it is [vb pp] [that] the [adj]	211
3	it is hoped [that] the [adj]	27
4	it is [vb pp] [that] the [num ord]	21
5	it is thought [that] the [adj]	19
6	it is suggested [that] the [adj]	19
7	it is assumed [that] the [adj]	17
8	it is [vb pp] [that] the first	16
9	it is [vb pp] [that] the first	16
10	it is said [that] the [adj]	14
11	it is estimated [that] the [adj]	12
12	it is [vb pp] [that] the new	12
13	it is [vb pp] [that] the new	12
14	it is envisaged [that] the [adj]	12
15	it is believed [that] the [adj]	11
16	it is [vb pp] [that] the [num]	11
17	it is argued [that] the [adj]	10
18	it is expected [that] the [adj]	10
19	it is recommended [that] the [adj]	9
20	it is felt [that] the [adj]	9
21	it is [vb pp] [that] the [adj -est]	8
22	it is [vb pp] [that] the following	8
23	it is [vb pp] [that] the following	8
24	it is anticipated [that] the [adj]	7
25	it is [vb pp] [that] the [adj -er]	7
26	it is [vb pp] [that] the [det]	7
27	it is claimed [that] the [adj]	6
28	it is found [that] the [adj]	6
29	it is known [that] the [adj]	6
30	it is [vb pp] [that] the successful	5