| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why does [pron] not [vb infin] | 30 |
|
| 2 | why does [pron] not [verb] | 30 |
|
| 3 | why does [pron] not [verb] | 30 |
|
| 4 | why does [pers pn] not [verb] | 30 |
|
| 5 | why does he not [verb] | 22 |
|
| 6 | why does he not [verb] | 22 |
|
| 7 | why does [pron] not acknowledge | 5 |
|
| 8 | why does [pron] not acknowledge | 5 |
|
