| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] if it [is] not | 33 |
|
| 2 | [verb] if it [is] not | 33 |
|
| 3 | [verb] if it is not | 21 |
|
| 4 | [verb] if it 's not | 12 |
|
| 5 | [vb infin] if it [is] not | 9 |
|
| 6 | [vb base] if it [is] not | 8 |
|
| 7 | [vb pp] if it [is] not | 5 |
|
