| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did n't we [vb infin] | 56 |
|
| 2 | [vb past] n't we have | 11 |
|
| 3 | [vb past] n't we do | 8 |
|
| 4 | [vb past] n't we see | 5 |
|
