| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why ca not they [adv] [verb] | 8 |
|
| 2 | [adv] ca not they [adv] [verb] | 8 |
|
| 3 | why ca not they [adv] [verb] | 8 |
|
| 4 | [Wh adv] ca not they [adv] [verb] | 8 |
|
