| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [adv] [vb infin] | 95017 |
|
| 2 | why [vb base] [adv] | 1785 |
|
| 3 | why [adv] [vb infin] | 848 |
|
| 4 | why [vb base] [vb infin] | 14 |
|
