| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [verb] n't we | 18 |
|
| 2 | [vb past] [vb past] not we | 18 |
|
| 3 | [vb past] do not we | 18 |
|
| 4 | [vb past] did not we | 18 |
|
| 5 | did [verb] not we | 9 |
|
