| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] [verb] [pron] for a | 7 |
|
| 2 | who [vb past] [vb pp] [pron] for a | 7 |
|
| 3 | who [vb past] [pron] for a [noun sg] | 5 |
|
| 4 | who [vb past] [pron] for a [noun] | 5 |
|
