| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | does [not/n't] know [Wh pn] | 18 |
|
| 2 | does not know [Wh pn] | 18 |
|
| 3 | does [adv] know who | 18 |
|
| 4 | does n't know [Wh pn] | 16 |
|
