| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i do n't know | 11844 |
|
| 2 | [adv] i do n't | 2053 |
|
| 3 | [adv] do n't know | 561 |
|
| 4 | [adv] i do know | 10 |
|
