| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [verb] a | 10833 |
|
| 2 | [verb] at a | 8330 |
|
| 3 | [vb pp] at a | 3242 |
|
| 4 | [vb pp] [verb] at | 1277 |
|
