| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb mod] [pron] | 11435 |
|
| 2 | [Wh adv] [vb mod] [pron] | 7950 |
|
| 3 | why [modal v] [pron] | 1703 |
|
| 4 | why [vb mod] [pron] | 1703 |
|
