| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [Wh det] [pron] could | 111 |
|
| 2 | [vb past] [Wh det] [pers pn] could | 110 |
|
| 3 | [verb] [Wh det] you could | 31 |
|
| 4 | [vb past] [pron] you could | 25 |
|
| 5 | [vb past] [Wh det] you [modal v] | 20 |
|
| 6 | [vb past] [Wh det] you [vb mod] | 20 |
|
| 7 | [vb past] [Wh det] you could | 9 |
|
| 8 | [vb past] [Wh det] you could | 9 |
|
