| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [pron] last [noun sg] | 16 |
|
| 2 | who [verb] [pers pn] last [noun sg] | 8 |
|
| 3 | who [verb] [pos pn] last [noun sg] | 8 |
|
| 4 | who [verb] [pron] last year | 6 |
|
