| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] what [pron] could | 58 |
|
| 2 | he [vb past] [pron] [pron] could | 35 |
|
| 3 | he [vb past] what [pron] [modal v] | 29 |
|
| 4 | he [verb] what [pron] could | 11 |
|
| 5 | he [vb past] what [pron] could | 10 |
|
| 6 | he [vb past] [Wh det] [pron] could | 10 |
|
