| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] why they do [adv] [adv] | 5 |
|
| 2 | why they do [adv] [adv] [verb] | 8 |
|
| 3 | why they do [adv] [adv] [vb infin] | 8 |
|
