| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] not been a [noun] for | 10 |
|
| 2 | have not been a [noun] for | 10 |
|
| 3 | not been a [adj] [noun] for | 12 |
|
| 4 | not been a [adj] [noun] for | 12 |
|
