| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] i [vb infin] [adv] | 7 |
|
| 2 | why do [not/n't] i [verb] [adv] | 7 |
|
| 3 | why do [not/n't] i [adv] [verb] | 5 |
|
