| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [adv] [adv] [vb pp] [verb] | 5 |
|
| 2 | if not [adv] [vb pp] [verb] | 5 |
|
| 3 | if [not/n't] [adv] [vb pp] [verb] | 5 |
|
| 4 | if not [adv] [vb pp] [verb] | 5 |
|
