| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why had n't he [verb] | 23 |
|
| 2 | why had not he [verb] | 23 |
|
| 3 | why had [not/n't] he [verb] | 23 |
|
| 4 | why had [adv] he [vb pp] | 22 |
|
