| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] that | 3909 |
|
| 2 | it is clear that | 1286 |
|
| 3 | it [verb] clear that | 429 |
|
| 4 | it is [verb] clear | 31 |
|
| 5 | is [verb] clear that | 22 |
|
