| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be not certain whether | 24 |
|
| 2 | [pers pn] [be] not certain whether | 24 |
|
| 3 | it [be] not certain whether | 16 |
|
| 4 | [pers pn] [is] not certain whether | 14 |
|
| 5 | [pers pn] is not certain whether | 13 |
|
| 6 | [pers pn] [was/were] not certain whether | 6 |
|
| 7 | i [be] not certain whether | 6 |
|
| 8 | [pers pn] was not certain whether | 6 |
|
