| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] an [adj] | 235 |
|
| 2 | could [verb] an [adj] | 217 |
|
| 3 | could have [verb] [adj] | 113 |
|
| 4 | could have [verb] an | 45 |
|
| 5 | could have an [adj] | 23 |
|
