| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [adv] | 3729 |
|
| 2 | do n't know i | 320 |
|
| 3 | n't know [adv] i | 305 |
|
| 4 | do n't [adv] i | 31 |
|
