| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] back at [art] | 5 |
|
| 2 | [adv] [vb pp] back at the | 5 |
|
| 3 | [adv] [vb pp] back at [art] | 5 |
|
| 4 | [adv] [vb pp] back at [noun] | 5 |
|
| 5 | [adv] [vb pp] back at the | 5 |
|
