| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [verb] [verb] [pron] | 1018 |
|
| 2 | [pers pn] [verb] [vb mod] [verb] [pron] | 219 |
|
| 3 | [pers pn] could [verb] [vb mod] [verb] | 15 |
|
| 4 | could [verb] [vb mod] [verb] [pron] | 9 |
|
