| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] could [vb infin] | 8 |
|
| 2 | [det] one [prep] [Wh det] could | 5 |
|
| 3 | one [prep] [Wh det] could [vb infin] | 5 |
|
