| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] why the | 89 |
|
| 2 | wonder why the | 19 |
|
| 3 | understand why the | 17 |
|
| 4 | explain why the | 14 |
|
| 5 | know why the | 8 |
|
| 6 | ask why the | 5 |
|
