| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] whether it [verb] | 32 |
|
| 2 | n't [vb infin] whether it [verb] | 24 |
|
| 3 | not know whether it [verb] | 21 |
|
| 4 | not [vb infin] whether it [vb -s] | 20 |
|
| 5 | not [vb infin] whether it [vb past] | 12 |
|
| 6 | not [vb infin] whether it have | 11 |
|
| 7 | not [vb infin] whether it [verb] | 8 |
|
| 8 | not [vb infin] whether it 's | 5 |
|
