| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [vb infin] [verb] a [noun] | 52 |
|
| 2 | [noun] could [verb] [verb] a [noun sg] | 51 |
|
| 3 | [noun] could have [verb] a [noun] | 38 |
|
| 4 | [noun] could [verb] [vb pp] a [noun] | 38 |
|
| 5 | [noun] could have [verb] a [noun] | 38 |
|
| 6 | [noun sg] could [verb] [verb] a [noun] | 22 |
|
| 7 | [noun pl] could [verb] [verb] a [noun] | 15 |
|
| 8 | [noun prp] could [verb] [verb] a [noun] | 14 |
|
| 9 | [noun] could [verb] have a [noun] | 6 |
|
| 10 | [noun] could [verb] [v-ing] a [noun] | 5 |
|
| 11 | [noun] could [verb] had a [noun] | 5 |
|
| 12 | [noun] could [verb] [to-vb] a [noun] | 5 |
|
