| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] why the | 156 |
|
| 2 | of why the | 56 |
|
| 3 | to why the | 53 |
|
| 4 | on why the | 17 |
|
| 5 | about why the | 14 |
|
| 6 | for why the | 5 |
|
