| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why it [is] that [art] | 18 |
|
| 2 | why [pers pn] [is] that [art] | 18 |
|
| 3 | why [pron] [is] that [art] | 18 |
|
| 4 | why [pron] is that [art] | 18 |
|
| 5 | why it [is] that [art] | 18 |
|
| 6 | why [pron] [is] that the | 13 |
|
