| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been a [noun] [prep] | 770 |
|
| 2 | [vb past] not been a [noun] | 74 |
|
| 3 | not been a [noun] [prep] | 69 |
|
| 4 | [vb past] not a [noun] [prep] | 67 |
|
| 5 | [vb past] not been [noun] [prep] | 23 |
|
