| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it is [not/n't] know whether | 11 |
|
| 2 | [coord] it is not know whether | 11 |
|
| 3 | [coord] it is [adv] know whether | 11 |
|
| 4 | [coord] it is [adv] know whether | 11 |
|
| 5 | [coord] it is [adv] known whether | 11 |
|
| 6 | [coord] it is not know whether | 11 |
|
| 7 | but it is [adv] know whether | 7 |
|
