| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back to [art] | 6680 |
|
| 2 | back to [art] | 6680 |
|
| 3 | [adv] to a | 6376 |
|
| 4 | back [prep] a | 1574 |
|
| 5 | back [prep] a | 1574 |
|
| 6 | back to a | 349 |
|
| 7 | back to a | 292 |
|
