| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [not/n't] [vb infin] [adv] | 87 |
|
| 2 | why [not/n't] [vb infin] [adv prt] | 58 |
|
| 3 | why [not/n't] [verb] down | 8 |
|
| 4 | [adv] [not/n't] [vb infin] down | 8 |
|
| 5 | why [not/n't] [vb infin] down | 5 |
|
| 6 | why [adv] [vb infin] down | 5 |
|
