| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] not [pron] | 2526 |
|
| 2 | why do not [pron] | 2356 |
|
| 3 | [adv] do not [pron] | 2040 |
|
| 4 | why [vb base] not [pron] | 1626 |
|
| 5 | why do [adv] [pron] | 1553 |
|
