| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] was n't | 879 |
|
| 2 | that [was/were] n't | 650 |
|
| 3 | this [was/were] n't | 260 |
|
| 4 | [det] were n't | 78 |
|
| 5 | these [was/were] n't | 18 |
|
| 6 | some [was/were] n't | 6 |
|
