| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] at [art] [noun] | 572 |
|
| 2 | [vb past] [pron] at [art] [noun] | 572 |
|
| 3 | [vb past] [pron] [prep] an [noun] | 372 |
|
| 4 | [vb past] [pron] at a [noun] | 76 |
|
| 5 | [verb] [pron] at an [noun] | 16 |
|
