| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [adv] do | 251 |
|
| 2 | why [vb past] [pron] [adv] | 159 |
|
| 3 | why [vb past] [pron] do | 104 |
|
| 4 | why [pron] [adv] do | 9 |
|
