| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't you [vb infin] [noun prp] | 38 |
|
| 2 | why do not you [vb infin] [noun prp] | 28 |
|
| 3 | why do not you ask [noun prp] | 12 |
|
| 4 | why did not you [vb infin] [noun prp] | 10 |
|
