| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] why do not | 7 |
|
| 2 | [noun prp] why do [not/n't] | 7 |
|
| 3 | [noun prp] why do n't | 7 |
|
| 4 | [noun prp] why do [adv] | 5 |
|
