| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why have not [pers pn] | 75 |
|
| 2 | why have n't [pers pn] | 75 |
|
| 3 | why have not you | 51 |
|
| 4 | why have not i | 10 |
|
| 5 | why have not they | 9 |
|
