| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] could [adv] | 1090 |
|
| 2 | [Wh det] [pron] could [adv] | 475 |
|
| 3 | [adv] [Wh det] [pron] [adv] | 69 |
|
| 4 | [adv] [Wh det] [pron] could | 39 |
|
