| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [prep] [verb] | 111 |
|
| 2 | is it [prep] [verb] | 43 |
|
| 3 | is it not [prep] | 19 |
|
| 4 | is it not [verb] | 8 |
|
| 5 | it not [prep] [verb] | 5 |
|
