| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [adv] at the [noun sg] | 19 |
|
| 2 | who [vb past] [adv] at the [noun] | 13 |
|
| 3 | who [vb past] [adv prt] at the [noun] | 10 |
|
