SN4 ""

No	Pattern	Freq
1	[pron] have [adv] been able	219
2	[pers pn] have [adv] been able	211
3	[pron] have not been able	153
4	[pron] have [not/n't] been able	153
5	i have [adv] been able	124
6	i have [adv] been able	124
7	[pron] have n't been able	85
8	[pron] have not been able	68
9	[pron] have [adv] been able	66
10	we have [adv] been able	57
11	we have [adv] been able	57
12	[pron] have never been able	41
13	[pron] have never been able	41
14	they have [adv] been able	19
15	they have [adv] been able	19
16	you have [adv] been able	11
17	you have [adv] been able	11
18	[pron] have always been able	8
19	[pron] have always been able	8
20	who have [adv] been able	7
21	who have [adv] been able	7
22	[Wh pn] have [adv] been able	7
23	[pron] have also been able	5
24	[pron] have also been able	5