| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] at [art] | 3681 |
|
| 2 | [verb] back at [art] | 414 |
|
| 3 | [verb] [verb] back [art] | 237 |
|
| 4 | [verb] [verb] back at | 108 |
|
