| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so why do not you [vb infin] | 40 |
|
| 2 | so why do n't you [vb infin] | 40 |
|
| 3 | so why do not you [vb infin] | 32 |
|
| 4 | so why did not you [vb infin] | 8 |
|
