| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [not/n't] [pers pn] [verb] [pron] | 624 |
|
| 2 | why did [not/n't] [pers pn] [verb] | 601 |
|
| 3 | why did [pers pn] [verb] [pron] | 316 |
|
