| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] been a [noun] for | 14 |
|
| 2 | [not/n't] been a [noun sg] for | 14 |
|
| 3 | [not/n't] been a [noun] for | 13 |
|
| 4 | not been a [noun] for | 10 |
|
