| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [Wh det] | 3533 |
|
| 2 | do n't know i | 320 |
|
| 3 | n't know [Wh det] i | 239 |
|
| 4 | do know [Wh det] i | 8 |
|
