SN4 ""

No	Pattern	Freq
1	[adj] it be [to-vb] to	14
2	[adj] it be [to-vb] to	13
3	[conj] it be [to-vb] to	6
4	[subord] it be [to-vb] to	6
5	if it be [to-vb] to	5
6	if it be [to-vb] to	5
7	it be [adj] [to-vb] to	310
8	it be [adj] [to-vb] to	287
9	it be [verb] [to-vb] to	64
10	it be possible [to-vb] to	39
11	it be possible [to-vb] to	39
12	it be [noun] [to-vb] to	36
13	it be [vb pp] [to-vb] to	35
14	it be [noun sg] [to-vb] to	35
15	it be necessary [to-vb] to	34
16	it be necessary [to-vb] to	34
17	it be time [to-vb] to	32
18	it be time [to-vb] to	32
19	it be [v-ing] [to-vb] to	28
20	it be difficult [to-vb] to	26
21	it be difficult [to-vb] to	26
22	it be important [to-vb] to	23
23	it be important [to-vb] to	23
24	it be going [to-vb] to	20
25	it be go [to-vb] to	20
26	it be impossible [to-vb] to	18
27	it be impossible [to-vb] to	18
28	it be easy [to-vb] to	17
29	it be [adj -er] [to-vb] to	17
30	it be good [to-vb] to	16