| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] do [adv] know | 19942 |
|
| 2 | who do [adv] [verb] | 2426 |
|
| 3 | who do [adv] [vb infin] | 2412 |
|
| 4 | who do [adv] know | 246 |
|
| 5 | who [verb] [adv] know | 245 |
|
