| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't been able [to-vb] | 93 |
|
| 2 | had n't been able [verb] | 93 |
|
| 3 | [vb past] n't been able [verb] | 93 |
|
| 4 | [vb past] n't been able to get | 6 |
|
| 5 | [vb past] n't been able get | 6 |
|
| 6 | [vb past] n't been able to do | 5 |
|
| 7 | [vb past] n't been able do | 5 |
|
