| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] clear that | 1795 |
|
| 2 | it [be] not clear | 517 |
|
| 3 | it [be] not that | 340 |
|
| 4 | [be] not clear that | 77 |
|
| 5 | it not clear that | 14 |
|
