| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] that | 352 |
|
| 2 | it is [adv] certain | 96 |
|
| 3 | is [adv] certain that | 87 |
|
| 4 | it is certain that | 68 |
|
| 5 | it [adv] certain that | 14 |
|
