| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [coord] is not [verb] | 15 |
|
| 2 | is [coord] [is] not [vb pp] | 13 |
|
| 3 | is or [is] not [verb] | 9 |
|
| 4 | is and [is] not [verb] | 6 |
|
