| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [pron] is that | 47 |
|
| 2 | why [pers pn] is that | 47 |
|
| 3 | why it is that | 47 |
|
| 4 | why it is that | 47 |
|
| 5 | why is it that | 122 |
|
| 6 | why is [pron] that | 122 |
|
| 7 | why is [pers pn] that | 122 |
|
| 8 | why is it that | 122 |
|
