| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] not clear whether [noun] | 15 |
|
| 2 | be not clear whether [noun] | 15 |
|
| 3 | [be] not clear whether [noun prp] | 11 |
|
| 4 | [is] not clear whether [noun] | 11 |
|
| 5 | is not clear whether [noun] | 11 |
|
