| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] a | 2906 |
|
| 2 | it is [adv] that | 477 |
|
| 3 | is [adv] that a | 39 |
|
| 4 | it is that a | 26 |
|
| 5 | it [adv] that a | 7 |
|
