| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [conj] [pers pn] | 683 |
|
| 2 | [vb mod] [verb] [coord] [pers pn] | 569 |
|
| 3 | [modal v] [verb] [coord] [pers pn] | 569 |
|
| 4 | could [verb] [coord] [pron] | 99 |
|
| 5 | could [verb] [coord] [pers pn] | 72 |
|
