SN4 ""

No	Pattern	Freq
1	it be [adj] [verb] that [noun sg]	110
2	it be [adj] [to-vb] that [noun sg]	110
3	it is [adj] [verb] that [noun sg]	91
4	it be important [verb] that [noun sg]	37
5	it be [adj] say that [noun sg]	17
6	it be [adj] to say that [noun sg]	17
7	it be [adj] to note that [noun sg]	14
8	it be [adj] note that [noun sg]	14
9	it be [adj] to assume that [noun sg]	10
10	it be [adj] assume that [noun sg]	10
11	it be fair [verb] that [noun sg]	9
12	it 's [adj] [verb] that [noun sg]	9
13	it was [adj] [verb] that [noun sg]	9
14	it be [adj] to remember that [noun sg]	8
15	it be [adj] remember that [noun sg]	8
16	it be [adj] to recognize that [noun sg]	6
17	it be interesting [verb] that [noun sg]	6
18	it be [adj] realise that [noun sg]	6
19	it be [adj] to realise that [noun sg]	6
20	it be [adj] to know that [noun sg]	6
21	it be [adj] know that [noun sg]	6
22	it be good [verb] that [noun sg]	6
23	it be [adj] recognize that [noun sg]	6
24	it be [adj] to ensure that [noun sg]	5
25	it be [adj] think that [noun sg]	5
26	it be [adj] to think that [noun sg]	5
27	it be [adj] ensure that [noun sg]	5