| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason why [art] [noun sg] | 366 |
|
| 2 | [adj] reason why [art] | 284 |
|
| 3 | [adj] reason [art] [noun sg] | 180 |
|
| 4 | [adj] reason why [noun sg] | 99 |
|
| 5 | [adj] why [art] [noun sg] | 34 |
|
