| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] they | 143 |
|
| 2 | and why do [not/n't] | 42 |
|
| 3 | and why do they | 22 |
|
| 4 | and do [not/n't] they | 7 |
|
