| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] [pron] [pers pn] could | 37 |
|
| 2 | [verb] [prep] what [pers pn] could | 35 |
|
| 3 | [vb past] [prep] what [pers pn] [modal v] | 26 |
|
| 4 | [vb past] [prep] what [pers pn] [vb mod] | 26 |
|
| 5 | [vb past] [prep] [Wh det] [pers pn] could | 8 |
|
| 6 | [vb past] [prep] what [pron] could | 7 |
|
| 7 | [vb past] [prep] what [pers pn] could | 7 |
|
| 8 | [vb past] [prep] what [pers pn] could | 7 |
|
| 9 | [vb past] [prep] what [pers pn] could | 7 |
|
