| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] [verb] | 93176 |
|
| 2 | why do [adv] | 1692 |
|
| 3 | why [adv] [verb] | 1052 |
|
| 4 | why do [verb] | 16 |
|
