| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] [verb] | 1970 |
|
| 2 | [coord] do [not/n't] [pron] [verb] | 245 |
|
| 3 | [coord] why do [pron] [verb] | 200 |
|
| 4 | [coord] why do [not/n't] [pron] | 74 |
|
