| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] if it [is] [not/n't] [verb] | 16 |
|
| 2 | [adv] if it [is] [not/n't] [verb] | 16 |
|
| 3 | [adv] if it [is] not [verb] | 14 |
|
| 4 | [adv] if it 's [not/n't] [verb] | 10 |
|
| 5 | [adv] if it [is] [not/n't] [v-ing] | 7 |
|
| 6 | [adv] if it [is] [not/n't] [vb pp] | 7 |
|
| 7 | even if it [is] [not/n't] [verb] | 7 |
|
| 8 | [adv] if it is [not/n't] [verb] | 6 |
|
