| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a [noun] | 170 |
|
| 2 | could [verb] a [noun] [verb] | 167 |
|
| 3 | have [verb] a [noun] [verb] | 165 |
|
| 4 | could have [verb] [noun] [verb] | 19 |
|
| 5 | could have a [noun] [verb] | 14 |
|
