| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back in [conj] [verb] | 30 |
|
| 2 | back in [coord] [verb] | 30 |
|
| 3 | back in and [verb] | 29 |
|
| 4 | back in and [verb] | 29 |
|
| 5 | back in [conj] [vb base] | 14 |
|
| 6 | back in [conj] [vb past] | 13 |
|
