| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] is it [adv] that | 5 |
|
| 2 | why is it [adv] that | 5 |
|
| 3 | why is it [adv] that | 5 |
|
| 4 | [adv] is it [adv] that | 5 |
|
