SN4 ""

No	Pattern	Freq
1	[pron] would [verb] been difficult	38
2	it would [verb] been difficult	37
3	it would [verb] been difficult	37
4	[pers pn] would [verb] been difficult	37
5	[noun] would [verb] been difficult	11
6	[noun sg] would [verb] been difficult	8
7	[det] would [verb] been difficult	6
8	[adj] would [verb] been difficult	6
9	would [verb] been [adv] difficult	26
10	would [verb] been [adv] difficult	26
11	would [verb] been very difficult	16
12	would [verb] been very difficult	16
13	would [verb] been difficult [verb]	26
14	would [verb] been difficult [to-vb]	26
15	would [verb] been difficult [prep]	16
16	would [verb] been difficult [prep]	16
17	would [verb] been difficult for	14
18	would [verb] been difficult for	14
19	would [verb] been difficult [adv]	7
20	would [verb] been difficult [adv]	5