| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at the back | 83 |
|
| 2 | up at [art] back | 34 |
|
| 3 | out at [art] back | 14 |
|
| 4 | in at [art] back | 8 |
|
| 5 | on at [art] back | 8 |
|
| 6 | down at [art] back | 7 |
|
