| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] [verb] | 1259 |
|
| 2 | do [not/n't] [pron] [adv] [verb] | 274 |
|
| 3 | why do [not/n't] [pron] [adv] | 151 |
|
| 4 | why do [pron] [adv] [verb] | 99 |
|
