| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pers pn] do something | 23 |
|
| 2 | why do n't [pers pn] do something | 23 |
|
| 3 | why do [not/n't] you do something | 12 |
|
| 4 | why do [not/n't] [pers pn] do something | 11 |
|
| 5 | why did [not/n't] [pers pn] do something | 7 |
|
| 6 | why do [not/n't] they do something | 5 |
|
| 7 | why does [not/n't] [pers pn] do something | 5 |
|
