| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a [adj] [noun sg] | 91 |
|
| 2 | [modal v] have [verb] a better [noun sg] | 41 |
|
| 3 | could have [verb] a [adj -er] [noun sg] | 16 |
|
| 4 | could have [verb] a good [noun sg] | 14 |
|
| 5 | could have [verb] [art] better [noun sg] | 9 |
|
| 6 | could have [verb] a better [noun sg] | 9 |
|
| 7 | could [verb] [verb] a better [noun sg] | 9 |
|
| 8 | could have [verb] [art] better [noun sg] | 9 |
|
| 9 | could have [verb] a better [noun] | 9 |
|
