| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [pers pn] [adv] | 381 |
|
| 2 | why do [pers pn] [adv] | 266 |
|
| 3 | [adv] did [pers pn] [adv] | 258 |
|
| 4 | why [vb past] [pers pn] [adv] | 157 |
|
| 5 | why did [pron] [adv] | 112 |
|
