| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [noun] as | 1005 |
|
| 2 | [vb past] back [noun] | 174 |
|
| 3 | [vb past] back as | 46 |
|
| 4 | back [noun] as | 13 |
|
