| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why we do not [verb] | 39 |
|
| 2 | why we do not [verb] | 39 |
|
| 3 | why we do not [vb infin] | 39 |
|
| 4 | why we do n't [verb] | 25 |
|
| 5 | why we do not [verb] | 24 |
|
| 6 | why we did not [verb] | 15 |
|
| 7 | why we do not [verb] | 14 |
|
