| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did not [pron] | 681 |
|
| 2 | why [verb] not i | 117 |
|
| 3 | why do not i | 96 |
|
| 4 | [adv] did not i | 95 |
|
| 5 | why [vb past] not i | 58 |
|
| 6 | why did [adv] i | 47 |
|
