| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] clear that [det] | 134 |
|
| 2 | [is] [not/n't] clear that | 69 |
|
| 3 | [is] [not/n't] that [det] | 31 |
|
| 4 | [not/n't] clear that [det] | 17 |
|
| 5 | [is] [not/n't] clear [det] | 6 |
|
