| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is not [verb] whether | 50 |
|
| 2 | it is not [verb] whether | 50 |
|
| 3 | [pers pn] is not [vb pp] whether | 49 |
|
| 4 | [pers pn] is not know whether | 46 |
|
| 5 | [pers pn] is not known whether | 45 |
|
