| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] [pron] | 8291 |
|
| 2 | why do [adv] | 1692 |
|
| 3 | why do [pron] | 1495 |
|
| 4 | why [adv] [pron] | 86 |
|
