| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] | 527778 |
|
| 2 | [Wh adv] [adv] | 12916 |
|
| 3 | why [adv] | 3377 |
|
| 4 | why [adv] | 724 |
|
