| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and why do [not/n't] we | 5 |
|
| 2 | and why do [adv] we | 5 |
|
| 3 | and why do not we | 5 |
|
| 4 | and why do n't we | 5 |
|
| 5 | and why do we [vb infin] | 6 |
|
| 6 | and why do we [verb] | 6 |
|
