| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [art] | 9210 |
|
| 2 | [vb past] us [art] | 549 |
|
| 3 | us at [art] | 201 |
|
| 4 | [vb past] us at | 56 |
|
