| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] have not been possible | 11 |
|
| 2 | [pron] have not [adv] been possible | 5 |
|
| 3 | [pron] have not [adv] been possible | 5 |
|
| 4 | [pron] have not been possible [verb] | 42 |
|
| 5 | [pron] have not been possible [to-vb] | 42 |
|
