| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why [verb] n't [pron] [verb] | 201 |
|
| 2 | [adv] why [verb] n't [pron] [vb infin] | 186 |
|
| 3 | [adv] why [verb] n't [pron] do | 16 |
|
| 4 | [adv] why [verb] [adv] [pron] do | 15 |
|
| 5 | [adv] [Wh adv] [verb] n't [pron] do | 15 |
|
| 6 | [adv] why [verb] not [pron] do | 15 |
|
| 7 | [adv] why [verb] n't [pron] do | 15 |
|
| 8 | [adv] why [verb] [not/n't] [pron] do | 15 |
|
| 9 | [adv] [adv] [verb] n't [pron] do | 15 |
|
