SN4 ""

No	Pattern	Freq
1	it [be] [verb] that a	587
2	it be [verb] that a	587
3	it [be] [vb pp] that a	581
4	it [be] [verb] that a	493
5	it [was/were] [verb] that a	333
6	it was [verb] that a	332
7	it [is] [verb] that a	250
8	it is [verb] that a	246
9	it [be] [verb] that an	94
10	it [be] hold that a	55
11	it [be] held that a	55
12	it [be] suggest that a	34
13	it [be] suggested that a	33
14	it [be] report that a	32
15	it [be] reported that a	32
16	it [be] agreed that a	27
17	it [be] agree that a	27
18	it [be] hoped that a	25
19	it [be] decided that a	25
20	it [be] decide that a	25
21	it [be] hope that a	25
22	it [be] thought that a	24
23	it [be] think that a	24
24	it [be] recommended that a	19
25	it [be] recommend that a	19
26	it [be] expect that a	19
27	it [be] expected that a	19
28	it [be] said that a	18
29	it [be] say that a	18
30	it [be] announce that a	15