| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] [det] | 19880 |
|
| 2 | back [conj] [verb] | 2021 |
|
| 3 | back [conj] [det] | 47 |
|
| 4 | back [verb] [det] | 38 |
|
