| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] not [adv] | 12009 |
|
| 2 | [was/were] [adv] an | 1267 |
|
| 3 | [was/were] not an | 597 |
|
| 4 | not [adv] an | 476 |
|
