| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [verb] at [art] | 449 |
|
| 2 | [noun] [vb past] [verb] at [art] | 449 |
|
| 3 | [noun] [vb past] [verb] [prep] an | 309 |
|
| 4 | [noun] [vb past] [verb] [prep] an | 309 |
|
| 5 | [noun] [vb past] [verb] at a | 78 |
|
| 6 | [noun] [verb] [verb] at an | 32 |
|
| 7 | [noun] [vb past] [verb] at an | 14 |
|
