| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [vb infin] | 45138 |
|
| 2 | [indef pn] [modal v] [vb infin] | 10974 |
|
| 3 | [indef pn] [vb mod] [vb infin] | 10974 |
|
| 4 | [indef pn] could [verb] | 2038 |
|
| 5 | [indef pn] could [vb infin] | 2035 |
|
