| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] n't be | 1290 |
|
| 2 | [vb past] n't [been] | 1277 |
|
| 3 | [vb past] n't been | 1277 |
|
| 4 | had n't [be] | 1276 |
|
| 5 | did n't [be] | 13 |
|
