| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did they [adv] | 14 |
|
| 2 | [Wh adv] did they [not/n't] | 10 |
|
| 3 | [Wh adv] did they not | 10 |
|
| 4 | [Wh adv] did they not | 10 |
|
| 5 | [Wh adv] did they [adv] | 7 |
|
