| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] | 5399 |
|
| 2 | [prep] [Wh det] could | 313 |
|
| 3 | [det] [Wh det] could | 37 |
|
| 4 | [det] [prep] could | 14 |
|
