| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be not [adv] clear whether | 43 |
|
| 2 | [be] not [adv] clear whether | 43 |
|
| 3 | [is] not [adv] clear whether | 36 |
|
| 4 | is not [adv] clear whether | 30 |
|
| 5 | [be] not yet clear whether | 18 |
|
| 6 | [be] not always clear whether | 8 |
|
| 7 | [was/were] not [adv] clear whether | 7 |
|
| 8 | was not [adv] clear whether | 7 |
|
| 9 | [be] not entirely clear whether | 6 |
|
| 10 | 's not [adv] clear whether | 6 |
|
