| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [vb pp] to the [adj] | 9 |
|
| 2 | could have [vb pp] to the [adj] | 9 |
|
| 3 | could have [vb pp] to the [adj] | 9 |
|
| 4 | could [vb infin] [vb pp] to the [adj] | 9 |
|
