| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] whether [pers pn] [verb] him | 9 |
|
| 2 | not [vb infin] whether [pron] [verb] him | 9 |
|
| 3 | n't [verb] whether [pron] [verb] him | 8 |
|
| 4 | not [verb] whether [pron] [vb past] him | 7 |
|
| 5 | not know whether [pron] [verb] him | 5 |
|
| 6 | not know whether [pron] [verb] him | 5 |
|
