| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which [vb past] been [verb] as | 15 |
|
| 2 | [noun] which had been [verb] as | 15 |
|
| 3 | [noun] which [vb past] been [vb pp] as | 14 |
|
| 4 | [noun sg] which [vb past] been [verb] as | 11 |
|
