| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [vb pp] a good [noun sg] | 14 |
|
| 2 | could have [verb] a good [noun sg] | 14 |
|
| 3 | could have [verb] a good [noun sg] | 14 |
|
| 4 | could have [verb] a better [noun sg] | 9 |
|
| 5 | could have [verb] a good [noun sg] | 5 |
|
