| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] if it [is] [v-ing] | 6 |
|
| 2 | n't [vb infin] if it [is] [v-ing] | 5 |
|
| 3 | not [vb infin] if it 's [v-ing] | 5 |
|
