| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did [verb] | 718 |
|
| 2 | why [verb] [verb] | 105 |
|
| 3 | why do [verb] | 31 |
|
| 4 | [Wh adv] did [verb] | 15 |
|
| 5 | why [vb past] [verb] | 8 |
|
| 6 | why did [verb] | 7 |
|
