| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [pron] | 5982 |
|
| 2 | do n't [verb] [Wh pn] | 544 |
|
| 3 | do [adv] know [Wh pn] | 464 |
|
| 4 | do not know [Wh pn] | 463 |
|
| 5 | do [not/n't] know [Wh pn] | 463 |
|
| 6 | [verb] n't know [Wh pn] | 408 |
|
