| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] [adv] have been able | 33 |
|
| 2 | i [modal v] not have been able | 27 |
|
| 3 | i [modal v] [not/n't] have been able | 27 |
|
| 4 | i [modal v] n't have been able | 14 |
|
| 5 | i [modal v] not have been able | 13 |
|
| 6 | i [modal v] [adv] have been able | 6 |
|
| 7 | i [modal v] never have been able | 5 |
|
| 8 | i [modal v] never have been able | 5 |
|
| 9 | i [modal v] have been able [to-vb] | 18 |
|
| 10 | i [modal v] have been able [verb] | 18 |
|
