| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [modal v] [verb] for a [noun] | 6 |
|
| 2 | [Wh pn] [vb mod] [verb] for a [noun] | 6 |
|
| 3 | [Wh pn] [modal v] [vb infin] for a [noun] | 5 |
|
| 4 | [Wh pn] [modal v] [verb] for a [noun sg] | 5 |
|
