| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why they [verb] | 731 |
|
| 2 | [v-ing] they [verb] | 389 |
|
| 3 | [v-ing] why they | 37 |
|
| 4 | [v-ing] why [verb] | 10 |
|
