| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [no cls] why do | 14 |
|
| 2 | [Wh adv] [unc] why do | 11 |
|
| 3 | why [unc] why do | 11 |
|
| 4 | why [unc] why do | 11 |
|
| 5 | [adv] [unc] why do | 9 |
|
