| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] a [noun] | 5223 |
|
| 2 | at [adv] a [noun] | 751 |
|
| 3 | [vb past] at a [noun] | 675 |
|
| 4 | [vb past] at [adv] [noun] | 76 |
|
| 5 | [vb past] at [adv] a | 60 |
|
