| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [pron] could | 6780 |
|
| 2 | [noun sg] [Wh pn] [vb mod] | 3271 |
|
| 3 | [noun sg] [Wh pn] [modal v] | 3271 |
|
| 4 | [noun] [Wh pn] could | 1097 |
|
| 5 | [noun sg] [Wh pn] could | 548 |
|
