| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [prep] [pron] [noun] and [prep] | 9 |
|
| 2 | back [prep] [pron] [noun sg] and [prep] | 8 |
|
| 3 | back [prep] [pron] and [verb] [prep] | 14 |
|
