| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [pers pn] do [pron] | 41 |
|
| 2 | why did [not/n't] [pers pn] do | 21 |
|
| 3 | did [not/n't] [pers pn] do [pron] | 17 |
|
