| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [noun sg] could [verb] | 61 |
|
| 2 | or [noun sg] could [vb infin] | 61 |
|
| 3 | or [noun sg] could have | 14 |
|
| 4 | or [noun sg] could have | 14 |
|
