| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [noun] a [noun sg] | 24 |
|
| 2 | could [verb] [n mass] a [noun sg] | 9 |
|
| 3 | could [verb] [noun prp] a [noun sg] | 7 |
|
| 4 | could [verb] [noun sg] a [noun sg] | 7 |
|
