| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] [pron] | 829 |
|
| 2 | [prep] [Wh det] [pron] could | 754 |
|
| 3 | [det] [prep] [pron] could | 203 |
|
| 4 | [det] [prep] [Wh det] could | 31 |
|
| 5 | [det] [Wh det] [pron] could | 9 |
|
