| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [verb] what [pron] could | 37 |
|
| 2 | [conj] [vb past] [pron] [pron] could | 30 |
|
| 3 | [conj] [vb past] what [pron] [modal v] | 22 |
|
