| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pron] could | 754 |
|
| 2 | [adv] [prep] [Wh det] [pron] | 717 |
|
| 3 | [adv] [Wh det] [pron] could | 39 |
|
| 4 | [adv] [prep] [pron] could | 29 |
|
| 5 | [adv] [prep] [Wh det] could | 12 |
|
