| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [been] [adj] [verb] [adj] [noun] | 35 |
|
| 2 | not [be] possible [verb] [adj] [noun] | 13 |
|
| 3 | [adv] [been] possible [verb] [adj] [noun] | 7 |
|
