| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [vb infin] [prep] a [noun] | 16 |
|
| 2 | [coord] could [verb] [prep] a [noun] | 16 |
|
| 3 | [coord] could [verb] [prep] a [noun sg] | 16 |
|
| 4 | and could [verb] [prep] a [noun] | 11 |
|
