| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] if it [be] [verb] | 19 |
|
| 2 | not [vb infin] if it [be] [verb] | 17 |
|
| 3 | not know if it [be] [verb] | 12 |
|
| 4 | not know if it [be] [verb] | 11 |
|
| 5 | not if it [be] [verb] [prep] | 5 |
|
| 6 | not if it [be] [verb] [prep] | 5 |
|
