| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [pron] [verb] | 2725 |
|
| 2 | do [pron] [not/n't] [verb] | 529 |
|
| 3 | why do [pron] [not/n't] | 133 |
|
| 4 | why do [not/n't] [verb] | 21 |
|
