| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [not/n't] [pron] [verb] | 608 |
|
| 2 | [unc] why did [pron] [verb] | 8 |
|
| 3 | [unc] did [not/n't] [pron] [verb] | 7 |
|
| 4 | [unc] why did [not/n't] [pron] | 6 |
|
