| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] back | 4464 |
|
| 2 | [noun] [vb past] as | 2108 |
|
| 3 | [vb past] back as | 46 |
|
| 4 | [noun] back as | 31 |
|
