| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] at the [noun] [noun sg] | 19 |
|
| 2 | who [vb past] at the [noun sg] [noun sg] | 10 |
|
| 3 | who [vb past] at the [noun prp] [noun sg] | 9 |
|
