| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] for [noun] | 4156 |
|
| 2 | [vb past] back [noun] | 174 |
|
| 3 | back for [noun] | 167 |
|
| 4 | [vb past] back for | 118 |
|
