| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [art] back | 549 |
|
| 2 | to the back | 541 |
|
| 3 | to the back | 541 |
|
| 4 | to a back | 8 |
|
| 5 | to a back | 8 |
|
