SN4 ""

No	Pattern	Freq
1	it [is] [vb pp] that the [noun]	854
2	it is [verb] that the [noun]	850
3	it [is] [verb] that the [noun sg]	667
4	it [is] [verb] that the [noun pl]	164
5	it [is] hoped that the [noun]	87
6	it [is] hope that the [noun]	87
7	it [is] suggest that the [noun]	78
8	it [is] suggested that the [noun]	76
9	it [is] thought that the [noun]	53
10	it [is] think that the [noun]	53
11	it [is] assume that the [noun]	51
12	it [is] assumed that the [noun]	51
13	it [is] expect that the [noun]	50
14	it [is] expected that the [noun]	50
15	it [is] [verb] that the [noun prp]	35
16	it [is] argue that the [noun]	34
17	it [is] argued that the [noun]	33
18	it [is] say that the [noun]	33
19	it [is] estimated that the [noun]	32
20	it [is] estimate that the [noun]	32
21	it [is] said that the [noun]	31
22	it [is] believed that the [noun]	31
23	it [is] believe that the [noun]	31
24	it [is] understood that the [noun]	30
25	it [is] understand that the [noun]	30
26	it 's [verb] that the [noun]	29
27	it [is] anticipate that the [noun]	24
28	it [is] intended that the [noun]	24
29	it [is] intend that the [noun]	24
30	it [is] known that the [noun]	23