| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [vb past] at [noun] | 459 |
|
| 2 | [vb past] back at [noun] | 153 |
|
| 3 | [coord] [vb past] back at | 62 |
|
| 4 | [coord] [vb past] back [noun] | 23 |
|
| 5 | [coord] back at [noun] | 14 |
|
