| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [pers pn] do [pers pn] | 40 |
|
| 2 | why did [not/n't] [pers pn] do | 21 |
|
| 3 | did [not/n't] [pers pn] do [pers pn] | 9 |
|
