| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [verb] [art] [noun] | 2152 |
|
| 2 | [Wh pn] [vb mod] [adv] [verb] [art] [noun] | 276 |
|
| 3 | [Wh pn] [modal v] [adv] [verb] [art] [noun] | 276 |
|
| 4 | [Wh pn] could [adv] [verb] [art] [noun] | 57 |
|
