| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pron] | 3169 |
|
| 2 | why do [pers pn] | 3078 |
|
| 3 | [adv] do they | 1254 |
|
| 4 | why [verb] they | 364 |
|
| 5 | why do they | 314 |
|
