| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [adv] at the [noun] | 17 |
|
| 2 | [vb past] back [adv] at the [noun] | 13 |
|
| 3 | look back [adv] at the [noun] | 11 |
|
| 4 | looked back [adv] at the [noun] | 8 |
|
| 5 | back [adv] at the [adj] [noun] | 5 |
|
| 6 | back [adv] at the [noun] [prep] | 15 |
|
| 7 | back [adv] at the [noun] [prep] | 15 |
|
| 8 | back [adv] at the [noun] of | 9 |
|
| 9 | back [adv] at the [noun] of | 9 |
|
