| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] we do | 18 |
|
| 2 | why do n't we do | 18 |
|
| 3 | why do [not/n't] we do | 18 |
|
| 4 | why do not we do | 18 |
|
| 5 | why do we do it | 7 |
|
| 6 | why do we do it | 7 |
|
| 7 | why do we do [pron] | 7 |
|
| 8 | why do we do [pers pn] | 7 |
|
