| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then why do [not/n't] he [vb infin] | 5 |
|
| 2 | then [Wh adv] do [not/n't] he [vb infin] | 5 |
|
| 3 | then [Wh adv] do n't he [vb infin] | 5 |
|
