SN4 ""

No	Pattern	Freq
1	[noun] [vb mod] have difficulty	49
2	[pron] [vb mod] have difficulty	40
3	[pers pn] [vb mod] have difficulty	34
4	[noun pl] [vb mod] have difficulty	21
5	[noun sg] [vb mod] have difficulty	19
6	you [vb mod] have difficulty	10
7	you [vb mod] have difficulty	10
8	they [vb mod] have difficulty	7
9	who [vb mod] have difficulty	6
10	they [vb mod] have difficulty	6
11	[Wh pn] [vb mod] have difficulty	6
12	who [vb mod] have difficulty	6
13	he [vb mod] have difficulty	5
14	[noun prp] [vb mod] have difficulty	5
15	he [vb mod] have difficulty	5
16	[vb mod] [adv] have difficulty	15
17	[vb mod] [adv] have difficulty	14
18	[vb mod] [verb] have difficulty	12
19	[vb mod] [vb infin] have difficulty	12
20	[vb mod] have have difficulty	11
21	[vb mod] have have difficulty	11
22	[vb mod] have [adj] difficulty	69
23	[vb mod] have [art] difficulty	48
24	[vb mod] have [art] difficulty	48
25	[vb mod] have no difficulty	46
26	[vb mod] have no difficulty	46
27	[vb mod] have [det] difficulty	40
28	[vb mod] have [adj] difficulty	27
29	[vb mod] have great difficulty	22
30	[vb mod] have great difficulty	21