| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back to [pron] [noun] on | 12 |
|
| 2 | back to [pos pn] [noun] on | 12 |
|
| 3 | back to [pron] [noun] on | 12 |
|
| 4 | back to [pron] [noun sg] on | 7 |
|
