| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why does n't he [verb] [prep] | 5 |
|
| 2 | [Wh adv] does n't he [verb] [prep] | 5 |
|
| 3 | why does n't he [verb] [prep] | 5 |
|
| 4 | [adv] does n't he [vb infin] [prep] | 5 |
|
