| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [pron] [modal v] | 18308 |
|
| 2 | [vb base] [pron] [vb mod] | 18308 |
|
| 3 | [verb] [pron] could | 6733 |
|
| 4 | [vb base] [pron] could | 1838 |
|
