| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [adv] did | 1044 |
|
| 2 | [coord] why [verb] | 603 |
|
| 3 | [coord] why do | 414 |
|
| 4 | [coord] why [vb past] | 242 |
|
| 5 | [conj] why did | 195 |
|
