| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] a [noun] | 3426 |
|
| 2 | [vb past] at a [noun] | 628 |
|
| 3 | [pron] at a [noun] | 509 |
|
| 4 | [vb past] [pron] at [noun] | 445 |
|
| 5 | [vb past] [pron] at a | 114 |
|
