| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't you [vb infin] | 1339 |
|
| 2 | so why do n't you | 53 |
|
| 3 | so why do you [vb infin] | 42 |
|
| 4 | so do n't you [vb infin] | 16 |
|
