| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [verb] not [been] possible | 11 |
|
| 2 | [pron] [verb] not [adv] [been] possible | 5 |
|
| 3 | [pron] [verb] not [adv] [been] possible | 5 |
|
| 4 | [pron] [verb] not [been] possible [verb] | 41 |
|
| 5 | [pron] [verb] not [been] possible [to-vb] | 41 |
|
