SN4 ""

No	Pattern	Freq
1	[noun] [vb mod] have difficulty	59
2	[pron] [vb mod] have difficulty	46
3	[pers pn] [vb mod] have difficulty	38
4	[noun pl] [vb mod] have difficulty	25
5	[noun sg] [vb mod] have difficulty	25
6	you [vb mod] have difficulty	12
7	you [vb mod] have difficulty	12
8	who [vb mod] have difficulty	7
9	they [vb mod] have difficulty	7
10	who [vb mod] have difficulty	7
11	[Wh pn] [vb mod] have difficulty	7
12	they [vb mod] have difficulty	6
13	it [vb mod] have difficulty	5
14	he [vb mod] have difficulty	5
15	[noun prp] [vb mod] have difficulty	5
16	it [vb mod] have difficulty	5
17	he [vb mod] have difficulty	5
18	[vb mod] [adv] have difficulty	18
19	[vb mod] [adv] have difficulty	17
20	[vb mod] [verb] have difficulty	12
21	[vb mod] [vb infin] have difficulty	12
22	[vb mod] have have difficulty	11
23	[vb mod] have have difficulty	11
24	[vb mod] also have difficulty	5
25	[vb mod] also have difficulty	5
26	[vb mod] have [adj] difficulty	75
27	[vb mod] have [art] difficulty	50
28	[vb mod] have [art] difficulty	50
29	[vb mod] have no difficulty	48
30	[vb mod] have no difficulty	48