| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is not [adj] that [adj] | 135 |
|
| 2 | it is [adv] clear that [adj] | 65 |
|
| 3 | it is not clear [conj] [adj] | 60 |
|
| 4 | it be not clear that [adj] | 20 |
|
| 5 | it [be] not clear that [adj] | 20 |
|
| 6 | it [is] not clear that [adj] | 19 |
|
| 7 | it is not clear that [adj] | 18 |
|
| 8 | [pron] is not clear that [adj] | 18 |
|
| 9 | it is not clear [that] [adj] | 18 |
|
