SN4 ""

No	Pattern	Freq
1	it be [adj] [to-vb] that [noun prp]	116
2	it be [adj] [verb] that [noun prp]	115
3	it is [adj] [verb] that [noun prp]	87
4	it be [adj] note that [noun prp]	19
5	it be [adj] to note that [noun prp]	18
6	it 's [adj] [verb] that [noun prp]	16
7	it be interesting [verb] that [noun prp]	15
8	it be interesting [verb] that [noun prp]	15
9	it be hard [verb] that [noun prp]	14
10	it be [adj] believe that [noun prp]	14
11	it was [adj] [verb] that [noun prp]	14
12	it be [adj] to believe that [noun prp]	14
13	it be hard [verb] that [noun prp]	14
14	it be important [verb] that [noun prp]	11
15	it be important [verb] that [noun prp]	11
16	it be [adj] say that [noun prp]	11
17	it be [adj] to say that [noun prp]	11
18	it be [adj] remember that [noun prp]	9
19	it be [adj] to remember that [noun prp]	9
20	it be difficult [verb] that [noun prp]	8
21	it be difficult [verb] that [noun prp]	8
22	it be [adj] imagine that [noun prp]	7
23	it be possible [verb] that [noun prp]	7
24	it be easy [verb] that [noun prp]	7
25	it be [adj] to imagine that [noun prp]	7
26	it be possible [verb] that [noun prp]	7
27	it be easy [verb] that [noun prp]	7
28	it be [adj] to know that [noun prp]	6
29	it be [adj] [verb] that god	6
30	it be [adj] know that [noun prp]	6