| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] n't you [vb infin] | 387 |
|
| 2 | why [vb past] you [vb infin] [adv prt] | 35 |
|
| 3 | [vb past] n't you [vb infin] [adv prt] | 21 |
|
