| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it is that | 82 |
|
| 2 | [Wh adv] [pers pn] is that | 82 |
|
| 3 | [Wh adv] it is that | 82 |
|
| 4 | why [pron] is that | 47 |
|
| 5 | how [pron] is that | 29 |
|
