SN4 ""

No	Pattern	Freq
1	[adj] it have be [to-vb]	8
2	[adj] it have be [to-vb]	8
3	[noun] it have be [to-vb]	7
4	[noun sg] it have be [to-vb]	7
5	difficult it have be [to-vb]	5
6	difficult it have be [to-vb]	5
7	it [vb mod] have be [to-vb]	16
8	it [modal v] have be [to-vb]	16
9	it would have be [to-vb]	11
10	it would have be [to-vb]	11
11	it have to be [to-vb]	5
12	it have [prep] be [to-vb]	5
13	it have to be [to-vb]	5
14	it have [prep] be [to-vb]	5
15	it have be [adj] [to-vb]	282
16	it have be [adj] [to-vb]	274
17	it have be [verb] [to-vb]	194
18	it have be [vb pp] [to-vb]	181
19	it have be possible [to-vb]	67
20	it have be possible [to-vb]	67
21	it have be difficult [to-vb]	31
22	it have be difficult [to-vb]	31
23	it have be decide [to-vb]	30
24	it have be decided [to-vb]	30
25	it have be necessary [to-vb]	27
26	it have be necessary [to-vb]	27
27	it have be able [to-vb]	26
28	it have be able [to-vb]	26
29	it have be impossible [to-vb]	21
30	it have be impossible [to-vb]	21