| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] n't [been] able | 166 |
|
| 2 | [adv] [pers pn] [verb] n't [been] | 71 |
|
| 3 | [adv] [pers pn] [verb] [been] able | 29 |
|
| 4 | [adv] [verb] n't [been] able | 10 |
|
