| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pers pn] come and | 17 |
|
| 2 | why do n't you come [coord] | 13 |
|
| 3 | why do n't [pers pn] come [coord] | 11 |
|
| 4 | why did n't [pers pn] come [coord] | 6 |
|
