| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't we [det] [vb infin] | 6 |
|
| 2 | why do n't we [det] [vb infin] | 6 |
|
| 3 | [Wh adv] do n't we [det] [vb infin] | 6 |
|
| 4 | [adv] do n't we [det] [vb infin] | 6 |
|
