| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [modal v] [vb infin] | 12718 |
|
| 2 | [coord] [vb mod] [vb infin] | 12718 |
|
| 3 | [conj] could [vb infin] | 2359 |
|
| 4 | [coord] could [vb infin] | 1225 |
|
| 5 | [coord] could [verb] | 1225 |
|
