| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did [pron] | 5852 |
|
| 2 | why [verb] [pron] | 3961 |
|
| 3 | why do [pron] | 3169 |
|
| 4 | why [vb past] [pron] | 1579 |
|
