| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] not [been] able | 340 |
|
| 2 | [adv] [pron] [verb] not [been] | 201 |
|
| 3 | [adv] [pron] [verb] [been] able | 41 |
|
| 4 | [adv] [verb] not [been] able | 17 |
|
