| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could i [verb] back [prep] | 8 |
|
| 2 | could i [verb] back [prep] | 8 |
|
| 3 | could i [verb] back to | 6 |
|
| 4 | could i [verb] back to | 6 |
|
