| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [verb] [pers pn] keep [verb] | 5 |
|
| 2 | [adv] why do [pers pn] keep [verb] | 5 |
|
| 3 | [adv] why [verb] [pers pn] keep [v-ing] | 5 |
|
| 4 | [adv] why [verb] [pers pn] keep [verb] | 5 |
|
