| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do [pron] | 313 |
|
| 2 | then [adv] do [pron] | 142 |
|
| 3 | then [Wh adv] do [pron] | 128 |
|
| 4 | then why [verb] [pron] | 95 |
|
| 5 | then why do [pron] | 75 |
|
