| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [verb] not | 303 |
|
| 2 | [adv] why [vb past] not | 81 |
|
| 3 | [adv] [adv] had not | 32 |
|
| 4 | [adv] why have not | 22 |
|
| 5 | [adv] [Wh adv] had not | 5 |
|
| 6 | [adv] why had not | 5 |
|
| 7 | [adv] why had [adv] | 5 |
|
