| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [vb infin] a [adv] | 7 |
|
| 2 | [coord] could [vb infin] a [adv] | 7 |
|
| 3 | and could [vb infin] a [adv] | 6 |
|
