| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do not [pron] [verb] | 1968 |
|
| 2 | why do not [pron] [vb infin] | 1963 |
|
| 3 | [adv] do not [pron] ask | 57 |
|
| 4 | why do not [pron] ask | 57 |
|
| 5 | why do [adv] [pron] ask | 56 |
|
| 6 | why [verb] not [pron] ask | 56 |
|
