| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [vb infin] a [adj] | 512 |
|
| 2 | [conj] could [vb infin] [art] [adj] | 141 |
|
| 3 | [conj] could [vb infin] [art] [adj] | 141 |
|
| 4 | [conj] could [vb infin] a [adj] | 66 |
|
| 5 | [conj] could [verb] a [adj] | 60 |
|
