| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [not/n't] [pron] come and | 6 |
|
| 2 | [Wh adv] did n't [pron] come and | 6 |
|
| 3 | [Wh adv] did [not/n't] [pers pn] come and | 6 |
|
