| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a [noun] | 39199 |
|
| 2 | at a [noun] | 16739 |
|
| 3 | [vb pp] at [noun] | 11283 |
|
| 4 | [vb pp] at a | 3242 |
|
