| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did n't you write | 6 |
|
| 2 | why did [not/n't] you write | 5 |
|
| 3 | [Wh adv] did [not/n't] you write | 5 |
|
| 4 | why did [not/n't] you write | 5 |
|
