| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] and why [verb] | 14 |
|
| 2 | [Wh adv] and [Wh adv] did | 9 |
|
| 3 | [Wh adv] and [adv] did | 9 |
|
| 4 | [Wh adv] and why do | 8 |
|
| 5 | [adv] and why did | 8 |
|
| 6 | [Wh adv] [conj] why did | 6 |
|
| 7 | [Wh adv] and why did | 6 |
|
| 8 | [Wh adv] [coord] why did | 6 |
|
| 9 | [Wh adv] and why [vb past] | 6 |
|
| 10 | [Wh adv] and why did | 6 |
|
