| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] not [been] able | 340 |
|
| 2 | but [pron] [verb] not [been] | 183 |
|
| 3 | but [verb] not [been] able | 6 |
|
| 4 | but [pron] [verb] [been] able | 6 |
|
