| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] [pron] | 8103 |
|
| 2 | why do [not/n't] | 1647 |
|
| 3 | why do [pron] | 1495 |
|
| 4 | why [not/n't] [pron] | 29 |
|
