| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should n't [vb infin] | 2107 |
|
| 2 | n't we [vb infin] | 525 |
|
| 3 | should we [vb infin] | 476 |
|
| 4 | should n't we | 86 |
|
