| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pron] [verb] | 3173 |
|
| 2 | [adv] [verb] [pron] [vb pp] | 2127 |
|
| 3 | [Wh adv] [verb] [pron] [vb pp] | 668 |
|
| 4 | why [verb] [pron] [vb pp] | 365 |
|
