| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [no cls] why [verb] n't [pron] | 7 |
|
| 2 | why [no cls] why [verb] n't [pron] | 5 |
|
| 3 | [Wh adv] [no cls] why [verb] n't [pron] | 5 |
|
| 4 | why [no cls] why [verb] n't [pron] | 5 |
|
| 5 | [no cls] why [verb] n't [pron] [verb] | 19 |
|
| 6 | [no cls] why [verb] n't [pron] [vb infin] | 18 |
|
