| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] that | 3909 |
|
| 2 | [Wh adv] it is [verb] | 483 |
|
| 3 | [Wh adv] it is that | 82 |
|
| 4 | [Wh adv] it [verb] that | 46 |
|
