| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do n't we [vb infin] | 23 |
|
| 2 | [adv] [Wh adv] do n't we [vb infin] | 20 |
|
| 3 | so [Wh adv] do n't we [vb infin] | 11 |
|
| 4 | well [Wh adv] do n't we [vb infin] | 8 |
|
