| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [pron] not [verb] | 55 |
|
| 2 | why did [pers pn] not [verb] | 55 |
|
| 3 | why [verb] he not [verb] | 46 |
|
| 4 | why do he not [verb] | 36 |
|
| 5 | why did he [adv] [verb] | 26 |
|
| 6 | why [vb past] he not [verb] | 21 |
|
| 7 | [adv] did he not [verb] | 15 |
|
| 8 | why did he [not/n't] [verb] | 14 |
|
| 9 | why did he not [verb] | 14 |
|
| 10 | why did he not [verb] | 14 |
|
