| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as we [verb] back [prep] the | 16 |
|
| 2 | as we [vb past] back [prep] the | 12 |
|
| 3 | as we [verb] back to the | 9 |
|
| 4 | as we walk back [prep] the | 5 |
|
