| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] why do n't | 6 |
|
| 2 | i [vb past] why do [not/n't] | 6 |
|
| 3 | i [vb past] why do [adv] | 6 |
|
| 4 | i [vb past] why do not | 6 |
|
