| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] n't [pers pn] [vb infin] | 1930 |
|
| 2 | why do n't [pers pn] [vb infin] | 1930 |
|
| 3 | [adv] did n't [pers pn] [vb infin] | 617 |
|
| 4 | why did n't [pron] [vb infin] | 603 |
|
| 5 | why did [not/n't] [pers pn] [vb infin] | 599 |
|
| 6 | why did not [pers pn] [vb infin] | 599 |
|
| 7 | why did [adv] [pers pn] [vb infin] | 599 |
|
| 8 | why did n't [pers pn] [verb] | 598 |
|
| 9 | [Wh adv] did n't [pers pn] [vb infin] | 597 |
|
| 10 | why did n't [pers pn] [vb infin] | 596 |
|
| 11 | why [vb past] n't [pers pn] [vb infin] | 596 |
|
