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