| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pers pn] not [adv] [verb] | 9 |
|
| 2 | is it not [adv] [verb] | 6 |
|
| 3 | is it not [adv] [verb] | 6 |
|
| 4 | is [pron] not [adv] [to-vb] | 5 |
|
