| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back south | 7 |
|
| 2 | back [prep] south | 22 |
|
| 3 | back [prep] south | 22 |
|
| 4 | back to south | 11 |
|
| 5 | back to south | 11 |
|
| 6 | back in south | 6 |
|
| 7 | back in south | 6 |
|
