| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [art] [noun] [vb past] at the | 5 |
|
| 2 | while [art] [noun] [vb past] at the | 5 |
|
| 3 | while [noun] [vb past] at the [noun] | 7 |
|
| 4 | while [noun] [vb past] at the [noun sg] | 6 |
|
