| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] [verb] | 1935 |
|
| 2 | why do n't [pron] use | 31 |
|
| 3 | [adv] do n't [pers pn] use | 31 |
|
| 4 | [Wh adv] do n't [pers pn] use | 30 |
|
| 5 | why do n't [pers pn] use | 30 |
|
| 6 | why do [not/n't] [pers pn] use | 30 |
|
| 7 | why do not [pers pn] use | 30 |
|
| 8 | why [verb] n't [pers pn] use | 30 |
|
| 9 | why do [adv] [pers pn] use | 30 |
|
