| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [adv] at the [noun] | 27 |
|
| 2 | back [adv] at the [noun sg] | 24 |
|
| 3 | back [adv] at the [noun] | 14 |
|
| 4 | back [adv prt] at the [noun] | 13 |
|
| 5 | back down at the [noun] | 6 |
|
| 6 | back down at the [noun] | 6 |
|
