| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] | 2359 |
|
| 2 | then why do [pron] | 75 |
|
| 3 | then do [not/n't] [pron] | 53 |
|
| 4 | then why do [not/n't] | 50 |
|
