SN4 ""

No	Pattern	Freq
1	[conj] it be [adj] for	1054
2	[conj] it be [adj] for	967
3	[conj] it be [adv] for	387
4	[conj] it be [not/n't] for	297
5	[conj] it be not for	296
6	[conj] it be [verb] for	221
7	[conj] it be n't for	182
8	[conj] it be [vb pp] for	168
9	[conj] it be [noun] for	142
10	[conj] it be [noun sg] for	131
11	[conj] it be possible for	115
12	[conj] it be possible for	115
13	[conj] it be not for	114
14	[conj] it be time for	109
15	[conj] it be time for	109
16	[conj] it be [adv] for	81
17	[conj] it be good for	68
18	[conj] it be [adj -er] for	67
19	[conj] it be impossible for	64
20	[conj] it be impossible for	64
21	[conj] it be difficult for	63
22	[conj] it be difficult for	63
23	[conj] it be important for	57
24	[conj] it be important for	57
25	[conj] it be necessary for	52
26	[conj] it be necessary for	52
27	[conj] it be easy for	46
28	[conj] it be [v-ing] for	44
29	[conj] it be good for	37
30	[conj] it be only for	31