| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have not been able | 169 |
|
| 2 | [coord] [pron] have not been | 160 |
|
| 3 | [coord] [pron] have been able | 23 |
|
| 4 | [coord] have not been able | 7 |
|
