| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a [adj] | 113 |
|
| 2 | have [verb] such a [adj] | 32 |
|
| 3 | could [verb] such a [adj] | 26 |
|
| 4 | could have [verb] such a | 22 |
|
