| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [noun sg] of a [noun] | 10 |
|
| 2 | could [verb] [noun sg] of a [noun] | 10 |
|
| 3 | could [verb] [noun sg] of a [noun sg] | 10 |
|
| 4 | could [vb infin] [noun sg] of a [noun] | 10 |
|
