| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been [vb pp] at [adj] [noun] | 8 |
|
| 2 | not been [verb] at [adj] [noun sg] | 8 |
|
| 3 | not been [verb] at [det] [noun] | 8 |
|
| 4 | not been [verb] at [adj] [noun] | 7 |
|
