| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [adv] [pron] [verb] | 2110 |
|
| 2 | [adv] [vb past] [adv] [pron] [verb] | 809 |
|
| 3 | [Wh adv] [vb past] [adv] [pron] [verb] | 675 |
|
| 4 | why [vb past] [adv] [pron] [verb] | 674 |
|
