| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at the [noun] | 6279 |
|
| 2 | [vb past] at the [noun sg] | 5345 |
|
| 3 | [vb past] [prep] the back | 484 |
|
| 4 | [vb past] [prep] the back | 484 |
|
| 5 | [verb] at the back | 399 |
|
| 6 | [vb past] at the back | 91 |
|
| 7 | [vb past] at [art] back | 88 |
|
| 8 | [vb past] at the back | 88 |
|
