| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] back to | 321 |
|
| 2 | back to [art] | 304 |
|
| 3 | [pos pn] back [art] | 22 |
|
| 4 | [pos pn] to [art] | 7 |
|
