| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at a [noun] | 4020 |
|
| 2 | [verb] off a [noun] | 604 |
|
| 3 | [verb] off at [noun] | 173 |
|
| 4 | [verb] off at a | 81 |
|
| 5 | off at a [noun] | 48 |
|
