| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] clear [conj] a | 5 |
|
| 2 | [pron] is [not/n't] clear [conj] a | 5 |
|
| 3 | it is [not/n't] clear [conj] a | 5 |
|
| 4 | [pers pn] is [not/n't] clear [conj] a | 5 |
|
