| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is clear that | 1286 |
|
| 2 | it is not clear | 410 |
|
| 3 | it is not that | 106 |
|
| 4 | is not clear that | 65 |
|
| 5 | it not clear that | 14 |
|
