| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] do i know | 90 |
|
| 2 | how do i know | 87 |
|
| 3 | [Wh adv] do i know | 83 |
|
| 4 | [Wh adv] did i know | 7 |
|
