| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] at the | 392 |
|
| 2 | [vb past] at the back | 91 |
|
| 3 | [to-vb] at the back | 20 |
|
| 4 | [vb past] [to-vb] the back | 8 |
|
