| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] know [pron] | 6760 |
|
| 2 | do [adv] [verb] [Wh pn] | 656 |
|
| 3 | do [adv] [vb infin] [Wh pn] | 655 |
|
| 4 | [verb] [adv] know [Wh pn] | 464 |
|
| 5 | do [adv] know [Wh pn] | 464 |
|
