| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do [adv] | 283 |
|
| 2 | [Wh adv] [adv] do [adv] | 22 |
|
| 3 | [Wh adv] [Wh adv] do [adv] | 7 |
|
| 4 | [Wh adv] why do [adv] | 6 |
|
| 5 | [Wh adv] why [verb] [adv] | 6 |
|
