| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] could [be] | 1561 |
|
| 2 | could never [be] | 264 |
|
| 3 | [Wh det] could never | 23 |
|
| 4 | [Wh det] never [be] | 5 |
|
