| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] know [pron] [be] | 858 |
|
| 2 | do [adv] [verb] [Wh pn] [be] | 84 |
|
| 3 | do [adv] [vb infin] [Wh pn] [be] | 84 |
|
| 4 | [verb] [adv] know [Wh pn] [be] | 61 |
|
| 5 | do [adv] know [Wh pn] [be] | 61 |
|
