| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] not clear [that] | 69 |
|
| 2 | it [is] not clear [that] | 69 |
|
| 3 | it [is] not clear that | 69 |
|
| 4 | it is not clear [that] | 65 |
|
