| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and why did [pron] | 54 |
|
| 2 | and [adv] did they | 30 |
|
| 3 | and [Wh adv] did they | 27 |
|
| 4 | and why [verb] they | 24 |
|
| 5 | and why do they | 22 |
|
| 6 | [coord] why did they | 17 |
|
| 7 | [conj] why did they | 17 |
|
| 8 | and why [vb past] they | 11 |
|
| 9 | and why did they | 10 |
|
| 10 | and why did they | 10 |
|
