| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] | 45138 |
|
| 2 | [indef pn] could [vb infin] | 2035 |
|
| 3 | none [modal v] [vb infin] | 94 |
|
| 4 | none could [vb infin] | 29 |
|
| 5 | none could [verb] | 29 |
|
