| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [prep] [noun sg] | 930 |
|
| 2 | [pron] [vb past] at [noun sg] | 626 |
|
| 3 | who [vb past] at [noun] | 182 |
|
| 4 | who [verb] at [noun sg] | 92 |
|
| 5 | [Wh pn] [vb past] at [noun sg] | 52 |
|
| 6 | who [vb past] at [noun sg] | 51 |
|
