| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do not he [verb] to | 9 |
|
| 2 | why do [adv] he [vb infin] to | 9 |
|
| 3 | why do [not/n't] he [verb] to | 9 |
|
| 4 | why do n't he [verb] to | 8 |
|
| 5 | why did [adv] he [verb] to | 5 |
|
