| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [pron] know [pron] | 341 |
|
| 2 | [adv] [verb] [pron] know [Wh pn] | 21 |
|
| 3 | [adv] do [pron] [verb] [Wh pn] | 17 |
|
