| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be it [not/n't] clear | 19 |
|
| 2 | [is] it [not/n't] clear | 19 |
|
| 3 | [be] it not clear | 19 |
|
| 4 | is it [not/n't] clear | 19 |
|
