| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know | 23243 |
|
| 2 | [adv] do [not/n't] | 11935 |
|
| 3 | [adv] [not/n't] know | 91 |
|
| 4 | [adv] do know | 25 |
|
