| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [Wh adv] | 3199 |
|
| 2 | do n't know i | 320 |
|
| 3 | n't know [Wh adv] i | 295 |
|
| 4 | do n't [Wh adv] i | 8 |
|
