| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have not been [adj] | 932 |
|
| 2 | [pron] have [adv] been possible | 64 |
|
| 3 | [pron] [verb] not been possible | 48 |
|
| 4 | [pron] have not be possible | 48 |
|
| 5 | [pron] have not [been] possible | 48 |
|
| 6 | [pron] have not [be] possible | 48 |
|
