| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb base] [adv] [vb infin] | 4275 |
|
| 2 | why [verb] [adv] [vb infin] | 22 |
|
| 3 | why [vb base] [adv] [verb] | 21 |
|
| 4 | [Wh adv] [vb base] [adv] [vb infin] | 18 |
|
| 5 | why [vb base] [adv] [vb infin] | 15 |
|
