| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] not [adv] | 15483 |
|
| 2 | [is] [adv] an | 2207 |
|
| 3 | [is] not an | 1271 |
|
| 4 | not [adv] an | 476 |
|
