| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] | 1647 |
|
| 2 | [noun prp] do [not/n't] | 643 |
|
| 3 | [noun prp] why do | 15 |
|
| 4 | [noun prp] why [not/n't] | 9 |
|
