| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [vb infin] [noun] [noun sg] | 123 |
|
| 2 | [pron] could [vb infin] [noun] [noun sg] | 123 |
|
| 3 | [Wh det] could [vb infin] [noun] [noun] | 25 |
|
| 4 | [Wh det] could [verb] [noun] [noun sg] | 11 |
|
