SN4 ""

No	Pattern	Freq
1	[pers pn] [modal v] have been able	113
2	[pers pn] [vb mod] have been able	113
3	[pers pn] [modal v] have been able	109
4	[pers pn] would have been able	50
5	[pers pn] would have been able	38
6	he [modal v] have been able	30
7	[pers pn] might have been able	27
8	[pers pn] might have been able	27
9	she [modal v] have been able	20
10	[pers pn] should have been able	18
11	i [modal v] have been able	18
12	[pers pn] should have been able	18
13	we [modal v] have been able	17
14	they [modal v] have been able	13
15	[pers pn] 'd have been able	12
16	you [modal v] have been able	11
17	[pers pn] may have been able	8
18	[pers pn] may have been able	8
19	[pers pn] must have been able	5
20	[pers pn] must have been able	5