| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back to [art] | 6680 |
|
| 2 | back to the | 6328 |
|
| 3 | back to the | 6328 |
|
| 4 | back to a | 349 |
|
| 5 | back to a | 292 |
|
| 6 | back to an | 57 |
|
