| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back and [verb] at the [noun] | 19 |
|
| 2 | back and [verb] at the [noun sg] | 18 |
|
| 3 | back and [vb past] at the [noun] | 9 |
|
| 4 | back and look at the [noun] | 9 |
|
