| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know | 17185 |
|
| 2 | [adv] do [not/n't] | 5026 |
|
| 3 | [adv] [not/n't] know | 23 |
|
| 4 | [adv] do know | 8 |
|
