| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why it [is] [conj] | 53 |
|
| 2 | why it is [conj] | 50 |
|
| 3 | why it [is] that | 47 |
|
| 4 | why it [is] that | 47 |
|
| 5 | why it [is] [that] | 47 |
|
