| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] a [adj] | 1352 |
|
| 2 | have [verb] a [adj] | 1205 |
|
| 3 | could have [verb] a | 273 |
|
| 4 | could have a [adj] | 208 |
|
| 5 | could have [verb] [adj] | 113 |
|
