| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] clear [conj] | 200 |
|
| 2 | it is clear [conj] these | 13 |
|
| 3 | it is [not/n't] [conj] these | 6 |
|
| 4 | is [not/n't] clear [conj] these | 6 |
|
