| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [vb past] n't | 81 |
|
| 2 | [adv] why [vb past] not | 78 |
|
| 3 | [adv] why did not | 76 |
|
| 4 | so why [vb past] not | 30 |
|
| 5 | so why [vb past] not | 30 |
|
| 6 | then why [vb past] not | 22 |
|
| 7 | well why [vb past] not | 22 |
|
| 8 | then why [vb past] not | 22 |
|
| 9 | well why [vb past] not | 22 |
|
| 10 | [adv] why had not | 5 |
|
