| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] a [adj] | 1605 |
|
| 2 | [noun pl] could [vb infin] [adj] | 568 |
|
| 3 | [noun pl] could [vb infin] a | 261 |
|
| 4 | [noun pl] [vb infin] a [adj] | 69 |
|
