| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [to-vb] at | 1030 |
|
| 2 | [vb pp] [to-vb] us | 246 |
|
| 3 | [to-vb] us at | 42 |
|
| 4 | [vb pp] us at | 16 |
|
