| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [verb] [det] [noun] | 848 |
|
| 2 | [Wh det] [vb mod] [verb] [det] [noun] | 324 |
|
| 3 | [Wh det] [modal v] [verb] [det] [noun] | 324 |
|
| 4 | [Wh det] could [verb] [adj] [noun] | 124 |
|
| 5 | [Wh det] could [verb] [det] [noun] | 26 |
|
