| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] a [adj] [noun] | 1362 |
|
| 2 | [modal v] [verb] a [adj -er] [noun] | 878 |
|
| 3 | could [verb] [art] [adj -er] [noun] | 127 |
|
| 4 | could [verb] [art] [adj -er] [noun] | 127 |
|
| 5 | could [verb] a [adj -er] [noun] | 90 |
|
