| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] n't been able | 166 |
|
| 2 | [noun pl] [pers pn] [verb] been able | 42 |
|
| 3 | [noun pl] [pers pn] [verb] n't been | 15 |
|
