| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] [adv] | 19699 |
|
| 2 | why [adv] [vb infin] | 848 |
|
| 3 | why [adv] [adv] | 126 |
|
| 4 | why [vb infin] [adv] | 49 |
|
