SN4 ""

No	Pattern	Freq
1	it be [adj] [to-vb] that the	553
2	it be [adj] [verb] that the	553
3	it be [adj] [verb] that the	553
4	it is [adj] [verb] that the	462
5	it be important [verb] that the	141
6	it be [adj] note that the	95
7	it be [adj] to note that the	95
8	it be [adj] say that the	63
9	it be [adj] to say that the	63
10	it was [adj] [verb] that the	57
11	it be interesting [verb] that the	56
12	it be [adj] to remember that the	33
13	it be [adj] remember that the	33
14	it be [adj] to believe that the	32
15	it 's [adj] [verb] that the	32
16	it be [adj] believe that the	32
17	it be [adj] assume that the	31
18	it be [adj] to assume that the	31
19	it be possible [verb] that the	30
20	it be difficult [verb] that the	29
21	it be [adj] ensure that the	27
22	it be [adj] to ensure that the	27
23	it be fair [verb] that the	27
24	it be easy [verb] that the	26
25	it be reasonable [verb] that the	26
26	it be [adj] see that the	25
27	it be hard [verb] that the	25
28	it be [adj] to see that the	25
29	it be necessary [verb] that the	24
30	it be true [verb] that the	15